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1b5135d9b922fdcf46e1e7383167d93d42635fb4
Analyze and fix the following issue in the Linux kernel code: [PATCH] ehea: Nullpointer dereferencation fix
Problem Details: Fix: Must check for nullpointer before dereferencing it - not afterwards. Signed-off-by: Thomas Klein <tklein@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c index 3e1862326c88..161559315c0e 100644 --- a/drivers/net/ehea/ehea_qmr.c +++ b/drivers/net/ehea/ehea_qmr.c @@ -209,11 +209,11 @@ int ehea_destroy_cq(struct ehea_cq *cq) { u64 adapter_handle, hret; - adapter_handle = cq->adapter->handle...
59359ff87700f5e742c96a55da9cf0819984c128
Analyze and fix the following issue in the Linux kernel code: [SPARC]: Fix robust futex syscalls and wire up migrate_pages.
Problem Details: When I added the entries for the robust futex syscall entries, I forgot to bump NR_SYSCALLS. The current situation is error-prone because NR_SYSCALLS lives in entry.S where the system call limit checks are enforced. Move the definition to asm/unistd.h in order to make this mistake much more difficult...
```diff diff --git a/arch/sparc/kernel/entry.S b/arch/sparc/kernel/entry.S index a4edff4c3be3..831f540251f8 100644 --- a/arch/sparc/kernel/entry.S +++ b/arch/sparc/kernel/entry.S @@ -32,13 +32,12 @@ #include <asm/mxcc.h> #include <asm/thread_info.h> #include <asm/param.h> +#include <asm/unistd.h> #include <asm/as...
38c94377a36f70e86665231c9f477e445c806618
Analyze and fix the following issue in the Linux kernel code: [NETLABEL]: Fix build failure.
Problem Details: > the build with the attached .config failed, make ends with: > ... > : undefined reference to `cipso_v4_sock_getattr' > net/built-in.o: In function `netlbl_socket_getattr': ... It looks like I was stupid and made NetLabel depend on CONFIG_NET and not CONFIG_INET, the patch below should fix this by ...
```diff diff --git a/net/Kconfig b/net/Kconfig index a81aca43932f..67e39ad8b8b6 100644 --- a/net/Kconfig +++ b/net/Kconfig @@ -63,6 +63,7 @@ config INET if INET source "net/ipv4/Kconfig" source "net/ipv6/Kconfig" +source "net/netlabel/Kconfig" endif # if INET @@ -249,8 +250,6 @@ source "net/ieee80211/Kconfig" ...
daccff024ffeb21caa2cc479ccc33b2ec50705b1
Analyze and fix the following issue in the Linux kernel code: [IPV6]: Give sit driver an appropriate module alias.
Problem Details: It would be nice to keep things working even with this built as a module, it took me some time to realize my IPv6 tunnel was broken because of the missing sit module. This module alias fixes things until distributions have added an appropriate alias to modprobe.conf. Signed-off-by: Patrick McHardy <ka...
```diff diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c index b481a4d780c2..be699f85b2c7 100644 --- a/net/ipv6/sit.c +++ b/net/ipv6/sit.c @@ -854,3 +854,4 @@ int __init sit_init(void) module_init(sit_init); module_exit(sit_cleanup); MODULE_LICENSE("GPL"); +MODULE_ALIAS("sit0"); ```
0f37c6057414fb68024793966b1dcb6a135cb844
Analyze and fix the following issue in the Linux kernel code: [PKTGEN]: TCI endianness fixes
Problem Details: open-coded variant there works only for little-endian Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/core/pktgen.c b/net/core/pktgen.c index dd023fd28304..733d86d0a4fb 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2304,6 +2304,12 @@ static void mpls_push(__be32 *mpls, struct pktgen_dev *pkt_dev) *mpls |= MPLS_STACK_BOTTOM; } +static inline __be16 build_tci(unsigned int id, un...
36da4d869f23bc7d1a70a3185218cb626537845c
Analyze and fix the following issue in the Linux kernel code: [TG3]: Fix 2nd ifup failure on 5752M.
Problem Details: This fixes a bug reported in: http://bugzilla.kernel.org/show_bug.cgi?id=7438 tg3_close() turns off the PHY if WoL and ASF are both disabled. On the next tg3_open(), some devices such as the 5752M will not be brought up correctly without a PHY reset early in the reset sequence. The PHY clock is need...
```diff diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 8e398499c045..8f059b7968bd 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -68,8 +68,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.67" -#define DRV_MODULE_RELDATE "October 18, 2006" +#def...
febf0a431e42f5a1fdb2b763273700610552ddcc
Analyze and fix the following issue in the Linux kernel code: [NETFILTER] bug: skb->protocol is already net-endian
Problem Details: htons() is not needed (and no, it's not misspelled ntohs() - userland expects net-endian here). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index 00580a818736..b2bf8f2e01da 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -427,7 +427,7 @@ __build_packet_message(struct nfulnl_instance *inst, nfmsg->version = NFNETLINK_V0; nfmsg->res_id = h...
d1208b999dd367b72168cc3c7f8d8d2c95143c67
Analyze and fix the following issue in the Linux kernel code: [NETFILTER] bug: nfulnl_msg_config_mode ->copy_range is 32bit
Problem Details: Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index fca946c049d9..00580a818736 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -878,7 +878,7 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb, params = NFA_DATA(nfula[NFULA_CFG_MODE-1]);...
7ac00a24f379f8ab9d3c968fea3dc030a45956fd
Analyze and fix the following issue in the Linux kernel code: [NETFILTER] bug: NFULA_CFG_QTHRESH uses 32bit
Problem Details: Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index b59d3b2bde21..fca946c049d9 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -896,8 +896,8 @@ nfulnl_recv_config(struct sock *ctnl, struct sk_buff *skb, } if (nfula[NFULA_CFG_QTHRESH-1]) { - u...
95026cd242bd4188a036f2eba20994113ed5a5d7
Analyze and fix the following issue in the Linux kernel code: [IPV6]: Fix ECN bug on big-endian
Problem Details: __constant_htons(2<<4) is not a replacement for htonl(2<<20). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/include/net/inet_ecn.h b/include/net/inet_ecn.h index d599c6bfbb86..7849844a4911 100644 --- a/include/net/inet_ecn.h +++ b/include/net/inet_ecn.h @@ -48,7 +48,7 @@ static inline __u8 INET_ECN_encapsulate(__u8 outer, __u8 inner) #define IP6_ECN_flow_xmit(sk, label) do { \ if (INET_ECN_is_cap...
02e60370d4dac83f22d5ae75d5512bcb9a3f24b7
Analyze and fix the following issue in the Linux kernel code: [IPX]: Annotate and fix IPX checksum
Problem Details: Calculation of IPX checksum got buggered about 2.4.0. The old variant mangled the packet; that got fixed, but calculation itself got buggered. Restored the correct logics, fixed a subtle breakage we used to have even back then: if the sum is 0 mod 0xffff, we want to return 0, not 0xffff. The latter ha...
```diff diff --git a/include/net/ipx.h b/include/net/ipx.h index 4a423d2695ba..c6b2ee610866 100644 --- a/include/net/ipx.h +++ b/include/net/ipx.h @@ -26,8 +26,8 @@ struct ipx_address { #define IPX_MAX_PPROP_HOPS 8 struct ipxhdr { - __u16 ipx_checksum __attribute__ ((packed)); -#define IPX_NO_CHECKSUM 0xFFFF + __...
41ad5fbabda0c3930136bb40cfc7a0c23013365f
Analyze and fix the following issue in the Linux kernel code: Input: HID - add a quirk for the Logitech USB Receiver
Problem Details: Logitech USB Receiver (046d:c101) has two interfaces. The first one contains fields from HID_UP_KEYBOARD and HID_UP_LED, and the other one contains fields from HID_UP_CONSUMER and HID_UP_LOGIVENDOR. This device is used with multiple wireless Logitech products, including UltraX Media Remote. All fields...
```diff diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 6daf85c6eeee..6095d9cedb7e 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -1643,6 +1643,9 @@ void hid_init_reports(struct hid_device *hid) #define USB_VENDOR_ID_AIRCABLE 0x16CA #define USB_DEVICE_I...
10b1fbdb0a0ca91847a534ad26d0bc250c25b74f
Analyze and fix the following issue in the Linux kernel code: Make sure "user->sigpending" count is in sync
Problem Details: The previous commit (45c18b0bb579b5c1b89f8c99f1b6ffa4c586ba08, aka "Fix unlikely (but possible) race condition on task->user access") fixed a potential oops due to __sigqueue_alloc() getting its "user" pointer out of sync with switch_user(), and accessing a user pointer that had been de-allocated on an...
```diff diff --git a/kernel/signal.c b/kernel/signal.c index 7ed8d5304bec..df18c167a2a7 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -267,18 +267,25 @@ static struct sigqueue *__sigqueue_alloc(struct task_struct *t, gfp_t flags, int override_rlimit) { struct sigqueue *q = NULL; + struct user_struct *...
45c18b0bb579b5c1b89f8c99f1b6ffa4c586ba08
Analyze and fix the following issue in the Linux kernel code: Fix unlikely (but possible) race condition on task->user access
Problem Details: There's a possible race condition when doing a "switch_uid()" from one user to another, which could race with another thread doing a signal allocation and looking at the old thread ->user pointer as it is freed. This explains an oops reported by Lukasz Trabinski: http://permalink.gmane.org/gmane.linu...
```diff diff --git a/kernel/user.c b/kernel/user.c index 6408c0424291..220e586127a0 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -187,6 +187,17 @@ void switch_uid(struct user_struct *new_user) atomic_dec(&old_user->processes); switch_uid_keyring(new_user); current->user = new_user; + + /* + * We need to syn...
80491eb90c750fcd7d13830062f27ae9b7cc5f75
Analyze and fix the following issue in the Linux kernel code: Revert unintentional "volatile" changes in ipc/msg.c
Problem Details: Commit 5a06a363ef48444186f18095ae1b932dddbbfa89 ("[PATCH] ipc/msg.c: clean up coding style") breaks fakeroot on Alpha (variously hangs or oopses), according to a report by Falk Hueffner. The fact that the code seems to rely on compiler access ordering through the use of "volatile" is a pretty certain ...
```diff diff --git a/ipc/msg.c b/ipc/msg.c index 600e06f943a6..1266b1d0c8e3 100644 --- a/ipc/msg.c +++ b/ipc/msg.c @@ -52,7 +52,7 @@ struct msg_receiver { long r_msgtype; long r_maxsize; - volatile struct msg_msg *r_msg; + struct msg_msg *volatile r_msg; }; /* one msg_sender for each sleeping sender */ `...
ddac0d39cf437d02fde9795ae57d9c4b4c146de9
Analyze and fix the following issue in the Linux kernel code: [PATCH] splice: fix problem introduced with inode diet
Problem Details: After the inode slimming patch that unionised i_pipe/i_bdev/i_cdev, it's no longer enough to check for existance of ->i_pipe to verify that this is a pipe. Original patch from Eric Dumazet <dada1@cosmosbay.com> Final solution suggested by Linus. Signed-off-by: Jens Axboe <jens.axboe@oracle.com> Signe...
```diff diff --git a/fs/splice.c b/fs/splice.c index 8d705954d294..da74583a00ee 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -1108,6 +1108,19 @@ out_release: EXPORT_SYMBOL(do_splice_direct); +/* + * After the inode slimming patch, i_pipe/i_bdev/i_cdev share the same + * location, so checking ->i_pipe is not enoug...
f1f2d8713d16a1e198880bbc716eb24fae09c858
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix user.* xattr permission check for sticky dirs
Problem Details: The user.* extended attributes are only allowed on regular files and directories. Sticky directories further restrict write access to the owner and privileged users. (See the attr(5) man page for an explanation.) The original check in ext2/ext3 when user.* xattrs were merged was more restrictive tha...
```diff diff --git a/fs/xattr.c b/fs/xattr.c index 395635100f77..0901bdc2ce24 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -48,14 +48,21 @@ xattr_permission(struct inode *inode, const char *name, int mask) return 0; /* - * The trusted.* namespace can only accessed by a privilegued user. + * The trusted.* namesp...
8ce08464d2c749610a52c4d6c7c11080a7eaaef1
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix sys_move_pages when a NULL node list is passed
Problem Details: sys_move_pages() uses vmalloc() to allocate an array of structures that is fills with information passed from user mode and then passes to do_stat_pages() (in the case the node list is NULL). do_stat_pages() depends on a marker in the node field of the structure to decide how large the array is and th...
```diff diff --git a/mm/migrate.c b/mm/migrate.c index ba2453f9483d..b4979d423d2b 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -952,7 +952,8 @@ asmlinkage long sys_move_pages(pid_t pid, unsigned long nr_pages, goto out; pm[i].node = node; - } + } else + pm[i].node = 0; /* anything to not match MAX_NUM...
8804023061b3447fbaddbd286d78170ad88d1a43
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix Documentation/accounting/getdelays.c buf size
Problem Details: getdelays reports a "fatal reply error, errno 258". We don't have enough room for multi-threaded exit (PID + TGID). Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Cc: Balbir Singh <balbir@in.ibm.com> Cc: Shailabh Nagar <nagar@watson.ibm.com> Cc: Jay Lan <jlan@engr.sgi.com> Signed-off-by: Andrew Morton...
```diff diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c index b11792abd6b6..bf2b0e2f87e1 100644 --- a/Documentation/accounting/getdelays.c +++ b/Documentation/accounting/getdelays.c @@ -49,7 +49,7 @@ __u64 stime, utime; } /* Maximum size of response requested or message sen...
1f604c4bc078213aa1c4576efa0e8dad98522fa7
Analyze and fix the following issue in the Linux kernel code: [PATCH] drivers/isdn/hysdn/hysdn_sched.c: sleep after taking spinlock fix
Problem Details: spin_lock_irq{save,restore} is incorrectly called here (the function can sleep after acquring the lock). done the necessary corrections and removed unwanted cli/sti. Signed-off-by: Amol Lad <amol@verismonetworks.com> Signed-off-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl....
```diff diff --git a/drivers/isdn/hysdn/hysdn_sched.c b/drivers/isdn/hysdn/hysdn_sched.c index 1fadf0133e9b..18758772b744 100644 --- a/drivers/isdn/hysdn/hysdn_sched.c +++ b/drivers/isdn/hysdn/hysdn_sched.c @@ -155,21 +155,17 @@ hysdn_tx_cfgline(hysdn_card *card, unsigned char *line, unsigned short chan) if (card->de...
53b173327d283b9bdbfb0c3b6de6f0eb197819d6
Analyze and fix the following issue in the Linux kernel code: [PATCH] uml: fix I/O hang
Problem Details: Fix a UML hang in which everything would just stop until some I/O happened - a ping, someone whacking the keyboard - at which point everything would start up again as though nothing had happened. The cause was gcc reordering some code which absolutely needed to be executed in the order in the source. ...
```diff diff --git a/arch/um/include/sysdep-i386/barrier.h b/arch/um/include/sysdep-i386/barrier.h new file mode 100644 index 000000000000..b58d52c5b2f4 --- /dev/null +++ b/arch/um/include/sysdep-i386/barrier.h @@ -0,0 +1,9 @@ +#ifndef __SYSDEP_I386_BARRIER_H +#define __SYSDEP_I386_BARRIER_H + +/* Copied from include/a...
d2c89a4284ea4ecfba77c6f2d7d6f96d52e801e5
Analyze and fix the following issue in the Linux kernel code: [PATCH] reiserfs: reset errval after initializing bitmap cache
Problem Details: Callers after reiserfs_init_bitmap_cache() expect errval to contain -EINVAL until much later. If a condition fails before errval is reset later, reiserfs_fill_super() will mistakenly return 0, causing an Oops in do_add_mount(). This patch resets errval to -EINVAL after the call. I view this as a tem...
```diff diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 9041802df832..17249994110f 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -1619,6 +1619,7 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) "jmacd-8: reiserfs_fill_super: unable to read bitmap"); ...
d3e5a938e7ed718f6d191e8b6b176fcfeb88a294
Analyze and fix the following issue in the Linux kernel code: [PATCH] spi section fix
Problem Details: WARNING: vmlinux - Section mismatch: reference to .init.text:spi_register_board_info from __ksymtab_gpl between '__ksymtab_spi_register_board_info' (at offset 0xc032f7d0) and '__ksymtab_spi_alloc_master' Fix this by removing the export. Acked-by: David Brownell <david-b@pacbell.net> Signed-off-by: An...
```diff diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 146298ad7371..c3c0626f550b 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -281,7 +281,6 @@ spi_register_board_info(struct spi_board_info const *info, unsigned n) up(&board_lock); return 0; } -EXPORT_SYMBOL_GPL(spi_register_board_info); ...
90d53909443b3986569b38ef145f09ea2359af75
Analyze and fix the following issue in the Linux kernel code: [PATCH] acpi_noirq section fix
Problem Details: WARNING: vmlinux - Section mismatch: reference to .init.data:acpi_noirq from .text between 'pcibios_penalize_isa_irq' (at offset 0xc026ffa1) and 'pirq_serverworks_get' Acked-by: "Brown, Len" <len.brown@intel.com> Cc: Andi Kleen <ak@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: L...
```diff diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c index ab974ff97073..22e4c466e5a3 100644 --- a/arch/i386/kernel/acpi/boot.c +++ b/arch/i386/kernel/acpi/boot.c @@ -70,7 +70,7 @@ static inline int acpi_madt_oem_check(char *oem_id, char *oem_table_id) { return #define PREFIX "ACPI: " ...
7f6b8876c7e66b0d15af134e2a5b87e55514eb6d
Analyze and fix the following issue in the Linux kernel code: [PATCH] init_reap_node() initialization fix
Problem Details: It looks like there is a bug in init_reap_node() in slab.c that can cause multiple oops's on certain ES7000 configurations. The variable reap_node is defined per cpu, but only initialized on a single CPU. This causes an oops in next_reap_node() when __get_cpu_var(reap_node) returns the wrong value. ...
```diff diff --git a/mm/slab.c b/mm/slab.c index 84c631f30741..3c4a7e34eddc 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -883,7 +883,7 @@ static void init_reap_node(int cpu) if (node == MAX_NUMNODES) node = first_node(node_online_map); - __get_cpu_var(reap_node) = node; + per_cpu(reap_node, cpu) = node; } stati...
d13adb604693374c5fce47cd1a2017bcf3178eae
Analyze and fix the following issue in the Linux kernel code: [PATCH] ipmi_si_intf.c sets bad class_mask with PCI_DEVICE_CLASS
Problem Details: Taken from http://bugzilla.kernel.org/show_bug.cgi?id=7439 It looks like device registration in drivers/char/ipmi/ipmi_si_intf.c was cleaned up and a small error was made when setting the class_mask. The fix is simple as the correct mask value is defined in the code but is not used. Acked-by: Corey ...
```diff diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index e5cfb1fa47d1..157fa81a264f 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -1867,7 +1867,7 @@ static int ipmi_pci_resume(struct pci_dev *pdev) static struct pci_device_id ipmi_pci_de...
7ef55b8a05c02db7c07d81827c69fe8f124e8654
Analyze and fix the following issue in the Linux kernel code: [PATCH] NFS4: fix for recursive locking problem
Problem Details: When I was performing some operations on NFS, I got below error on server side. ============================================= [ INFO: possible recursive locking detected ] 2.6.19-prep #1 --------------------------------------------- nfsd4/3525 is trying to acquire lock: (&inode->i_mutex){...
```diff diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index e9d07704680e..81b8565d3837 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -274,7 +274,7 @@ nfsd4_clear_clid_dir(struct dentry *dir, struct dentry *dentry) * any regular files anyway, just in case the directory was created by ...
77d6e1397a004c9376fed855e4164ca2b1dba2ed
Analyze and fix the following issue in the Linux kernel code: [PATCH] edac_mc: fix error handling
Problem Details: Call sysdev_class_unregister() on failure in edac_sysfs_memctrl_setup() and decrease identation level for clear logic. Acked-by: Doug Thompson <norsk5@xmission.com> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds...
```diff diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index 4bde30bb3be7..75e9e38330ff 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -230,34 +230,43 @@ static struct kobj_type ktype_memctrl = { */ static int edac_sysfs_memctrl_setup(void) { - int err=0; + int err = 0; debugf...
7011774db8afca43be466f0f0428434a9edf053e
Analyze and fix the following issue in the Linux kernel code: [PATCH] gfs2: ->readpages() fixes
Problem Details: This just ignore the remaining pages, and remove unneeded unlock_pages(). Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Steven French <sfrench@us.ibm.com> Cc: Miklos Szeredi <miklos@szeredi.hu> Acked-by: Steven Whitehouse <swhiteho@redhat.com> Cc: Trond Myklebust <trond.myklebust@fys...
```diff diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c index 8d5963c7e123..015640b3f123 100644 --- a/fs/gfs2/ops_address.c +++ b/fs/gfs2/ops_address.c @@ -337,13 +337,6 @@ out: out_noerror: ret = 0; out_unlock: - /* unlock all pages, we can't do any I/O right now */ - for (page_idx = 0; page_idx < nr_pa...
05ac9d4b3d7eac9e8542c83341a0e22d09aecf8f
Analyze and fix the following issue in the Linux kernel code: [PATCH] cifs: ->readpages() fixes
Problem Details: This just ignore the remaining pages, and will fix a forgot put_pages_list(). Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Steven French <sfrench@us.ibm.com> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Trond Myklebust <trond.myklebust@fys.u...
```diff diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 976a691c5a68..7e056b9b49e8 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1806,13 +1806,6 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, } if ((rc < 0) || (smb_read_data == NULL)) { cFYI(1, ("Read error in readpag...
5d861d920a86523bbeb56c19b9906c3fb1b58048
Analyze and fix the following issue in the Linux kernel code: [PATCH] lkdtm: cleanup headers and module_param/MODULE_PARM_DESC
Problem Details: Fix module_param/sysfs file permission typo. Clean up MODULE_PARM_DESC strings to avoid fancy (and incorrect) formatting. Fix header includes for lkdtm; add some needed ones, remove unused ones; and fix this gcc warning: drivers/misc/lkdtm.c:150: warning: 'struct buffer_head' declared inside paramete...
```diff diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c index bbdba7b37e11..46a9c35943bd 100644 --- a/drivers/misc/lkdtm.c +++ b/drivers/misc/lkdtm.c @@ -44,12 +44,14 @@ */ #include <linux/kernel.h> +#include <linux/fs.h> #include <linux/module.h> +#include <linux/buffer_head.h> #include <linux/kprobes....
86f4f0f9ba6e35fbbc409dfc3d8615c1a9822482
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix UFS superblock alignment issues
Problem Details: ufs2 fails to mount on x86_64, claiming bad magic. This is because ufs_super_block_third's fs_un1 member is padded out by 4 bytes for 8-byte alignment, pushing down the rest of the struct. Forcing this to be packed solves it. I took a quick look over other on-disk structures and didn't immediately f...
```diff diff --git a/include/linux/ufs_fs.h b/include/linux/ufs_fs.h index 61eef508b041..28967eda9d7b 100644 --- a/include/linux/ufs_fs.h +++ b/include/linux/ufs_fs.h @@ -908,7 +908,7 @@ struct ufs_super_block_third { __fs64 fs_csaddr; /* blk addr of cyl grp summary area */ __fs64 fs_pendingblocks;/* block...
c7e12b838989b0e432c7a1cdf1e6c6fd936007f6
Analyze and fix the following issue in the Linux kernel code: [PATCH] Fix ipc entries removal
Problem Details: Fix two issuses related to ipc_ids->entries freeing. 1. When freeing ipc namespace we need to free entries allocated with ipc_init_ids(). 2. When removing old entries in grow_ary() ipc_rcu_putref() may be called on entries set to &ids->nullentry earlier in ipc_init_ids(). This is almost i...
```diff diff --git a/ipc/msg.c b/ipc/msg.c index 5b213d952545..600e06f943a6 100644 --- a/ipc/msg.c +++ b/ipc/msg.c @@ -124,6 +124,7 @@ void msg_exit_ns(struct ipc_namespace *ns) } mutex_unlock(&msg_ids(ns).mutex); + ipc_fini_ids(ns->ids[IPC_MSG_IDS]); kfree(ns->ids[IPC_MSG_IDS]); ns->ids[IPC_MSG_IDS] = NULL; ...
87c2b7c045a44f6c1c7af23e64f2b286e6f7130a
Analyze and fix the following issue in the Linux kernel code: [PATCH] sys_pselect7 vs compat_sys_pselect7 uaccess error handling
Problem Details: 758333458aa719bfc26ec16eafd4ad3a9e96014d fixes the not checked copy_to_user return value of compat_sys_pselect7. I ran into this too because of an old source tree, but my fix would look quite a bit different to Andi's fix. The reason is that the compat function IMHO should behave the very same as the...
```diff diff --git a/fs/compat.c b/fs/compat.c index 50624d4a70c6..8d0a0018a7d2 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -1835,9 +1835,12 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp, } while (!ret && !timeout && tsp && (ts.tv_sec || ts.tv_nsec)); - if (ret == 0 && tsp && !(curren...
7bd473fcc217adec000f213e8864bf9a161d57e1
Analyze and fix the following issue in the Linux kernel code: [PATCH] eCryptfs: Fix pointer deref
Problem Details: I missed a pointer dereference in this kmalloc result check. Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c index f49f105394b7..136175a69332 100644 --- a/fs/ecryptfs/crypto.c +++ b/fs/ecryptfs/crypto.c @@ -134,7 +134,7 @@ int ecryptfs_crypto_api_algify_cipher_name(char **algified_name, algified_name_len = (chaining_modifier_len + cipher_name_len + 3); (*a...
28af24bb8470c7d0573b703a2955548b73a6c066
Analyze and fix the following issue in the Linux kernel code: [AGPGART] Fix up misprogrammed bridges with incorrect AGPv2 rates.
Problem Details: Some dumb bridges are programmed to disobey the AGP2 spec. This is likely a BIOS misprogramming rather than poweron default, or it would be a lot more common. AGPv2 spec 6.1.9 states: "The RATE field indicates the data transfer rates supported by this device. A.G.P. devices must report all that ap...
```diff diff --git a/drivers/char/agp/generic.c b/drivers/char/agp/generic.c index c39200161688..ca4629f66d17 100644 --- a/drivers/char/agp/generic.c +++ b/drivers/char/agp/generic.c @@ -419,6 +419,31 @@ static void agp_v2_parse_one(u32 *requested_mode, u32 *bridge_agpstat, u32 *vga_ *requested_mode &= ~AGP2_RESERVE...
18ee91fa9815fa3bb4e51cdcb8229bd0a0f11a70
Analyze and fix the following issue in the Linux kernel code: USB: use MII hooks only if CONFIG_MII is enabled
Problem Details: Fix mcs7830 patch The recent mcs7830 update to make the MII support sharable goofed various pre-existing configurations in two ways: - it made the usbnet infrastructure reference MII symbols even when they're not needed in the kernel being built - it didn't enable MII along with the mcs7830 ...
```diff diff --git a/drivers/usb/net/Kconfig b/drivers/usb/net/Kconfig index 454a186b64ad..e081836014ac 100644 --- a/drivers/usb/net/Kconfig +++ b/drivers/usb/net/Kconfig @@ -92,8 +92,13 @@ config USB_RTL8150 To compile this driver as a module, choose M here: the module will be called rtl8150. +config USB_USB...
11bd44abbd204f580ea91e75c84e012988971012
Analyze and fix the following issue in the Linux kernel code: USB: fix compiler issues with newer gcc versions
Problem Details: Remove complaint from newer GCCs; they don't like forward function declarations except in top-level contexts. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 66bff184a30c..ba165aff9ea4 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -1188,6 +1188,7 @@ static inline void show_string(struct usb_device *udev, char *id, char *string) #ifdef CONFIG_USB_OTG #include "otg_whitelist.h...
5a69ebe1e90d9e8d43131f08d344751cf42254c5
Analyze and fix the following issue in the Linux kernel code: USB: usblp: fix system suspend for some systems
Problem Details: this has been confirmed to fix suspend problems with usblp. Signed-off-by: Oliver Neukum <oliver@neukum.name> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 16353b661a04..6303970e93c1 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -1203,8 +1203,6 @@ static int usblp_suspend (struct usb_interface *intf, pm_message_t message) down (&usblp->sem); /* we take no more ...
6c8df79f8c0f8d861ea25e6e104a29398d8398f4
Analyze and fix the following issue in the Linux kernel code: USB: failure in usblp's error path
Problem Details: if urb submission fails due to a transient error here eg. ENOMEM , the driver is dead. This fixes it. Regards Oliver Signed-off-by: Oliver Neukum <oliver@neukum.name> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 809d465eb257..16353b661a04 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -722,6 +722,7 @@ static ssize_t usblp_write(struct file *file, const char __user *buffer, size_t usblp->wcomplete = 0; err = usb_sub...
baafe37c6a58d4ddb8c2c62cd0f20340b4c66b35
Analyze and fix the following issue in the Linux kernel code: USB: sierra: Fix id for Sierra Wireless MC8755 in new table
Problem Details: The new version of sierra.c has introduced tables for the 1 port and 3 port variants. The device id i added in my last patch needs to be added to the 3 port table. Signed-off-by: Jan Luebbe <jluebbe@lasnet.de> Cc: Kevin Lloyd <linux@sierrawireless.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de...
```diff diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c index 69cc8fb4156d..4b5097fa48d7 100644 --- a/drivers/usb/serial/sierra.c +++ b/drivers/usb/serial/sierra.c @@ -62,6 +62,7 @@ static struct usb_device_id id_table_3port [] = { { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */ ...
68717950e11eab8ff754b2721d23e9cb3a47b56f
Analyze and fix the following issue in the Linux kernel code: hid-core: big-endian fix fix
Problem Details: Adam Kropelin had posted 32-bit fix in June 2005 about two weeks after I originally had posted my fixes for big endian support. Adam has a UPS device which reports LINEV using 32-bits. Added comments to describe the limitations of the code. extract() is the same version I posted earlier and tested i...
```diff diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c index 45f44fe33bfe..6d42036c906c 100644 --- a/drivers/usb/input/hid-core.c +++ b/drivers/usb/input/hid-core.c @@ -270,7 +270,7 @@ static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsign * Read data value from ite...
bb44c308ee37c14ab63251e27d6d8b4dc73a10a4
Analyze and fix the following issue in the Linux kernel code: PCI: Let PCI_MULTITHREAD_PROBE depend on BROKEN
Problem Details: PCI_MULTITHREAD_PROBE is an interesting feature, but in its current state it seems to be more of a trap for users who accidentally enable it. This patch lets PCI_MULTITHREAD_PROBE depend on BROKEN for 2.6.19. The intention is to get this patch reversed in -mm as soon as it's in Linus' tree, and rever...
```diff diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index ecc50db8585a..5f1b9f58070e 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -19,7 +19,7 @@ config PCI_MSI config PCI_MULTITHREAD_PROBE bool "PCI Multi-threaded probe (EXPERIMENTAL)" - depends on PCI && EXPERIMENTAL + depends on PCI &...
6851ecc6e2fa4a01449a0fec9f4abd9aec43afde
Analyze and fix the following issue in the Linux kernel code: PCI: Revert "PCI: i386/x86_84: disable PCI resource decode on device disable"
Problem Details: This reverts commit 53e4d30dd666d7f83598957ee4a415eefb47c9a6. It was found that it caused unneeded problems (see http://bugzilla.kernel.org/show_bug.cgi?id=7082 for details of one such issue. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
```diff diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c index 6d5ace845e44..cdfcf971098b 100644 --- a/arch/i386/pci/common.c +++ b/arch/i386/pci/common.c @@ -343,7 +343,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) void pcibios_disable_device (struct pci_dev *dev) { - pcibios_disable_re...
c5dec9fb248e3318f30a26f9984b3b064053a77f
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (4751): Fix DBV_FE_CUSTOMISE for card drivers compiled into kernel
Problem Details: When a front-end is disabled, card drivers that use it are compiled with a stub version of the front-end's attach function. This way they have no references to the front-end's code and don't need it to be loaded. If a card driver is compiled into the kernel, and a front-end is a module, then that fron...
```diff diff --git a/drivers/media/dvb/frontends/bcm3510.h b/drivers/media/dvb/frontends/bcm3510.h index 6dfa839a7022..7e4f95e1734b 100644 --- a/drivers/media/dvb/frontends/bcm3510.h +++ b/drivers/media/dvb/frontends/bcm3510.h @@ -34,7 +34,7 @@ struct bcm3510_config int (*request_firmware)(struct dvb_frontend* fe, co...
588f98312c7fd1d86290583189d2eb24da70f752
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (4770): Fix mode switch of Compro Videomate T300
Problem Details: The board did not return to analog mode since the board specific "demod sleep" function was not called. Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
```diff diff --git a/drivers/media/video/saa7134/saa7134-dvb.c b/drivers/media/video/saa7134/saa7134-dvb.c index 1ba53b525ad2..6b61d9b2fcb5 100644 --- a/drivers/media/video/saa7134/saa7134-dvb.c +++ b/drivers/media/video/saa7134/saa7134-dvb.c @@ -1147,6 +1147,8 @@ static int dvb_init(struct saa7134_dev *dev) ...
9e741b74afc975da51ec60c5a8147b2ebcf7e33a
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (4787): Budget-ci: Inversion setting fixed for Technotrend 1500 T
Problem Details: Technotrend 1500 T card have "inverted inversion". This patch fixes that. Many thanks to Martin Zwickel from Technotrend for his confirmation and correction proposal. Signed-off-by: Raymond Mantchala <raymond.mantchala@streamvision.fr> Signed-off-by: Perceval Anichini <perceval.anichini@streamvision.f...
```diff diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c index ac0cecb14dc3..cd5ec489af1c 100644 --- a/drivers/media/dvb/ttpci/budget-ci.c +++ b/drivers/media/dvb/ttpci/budget-ci.c @@ -1035,6 +1035,7 @@ static void frontend_init(struct budget_ci *budget_ci) case 0x1012: // TT ...
c2625bff997f195e067ae11c9b0aa7217fb32991
Analyze and fix the following issue in the Linux kernel code: V4L/DVB (4786): Pvrusb2: use NULL instead of 0
Problem Details: Fix sparse NULL usage warnings: drivers/media/video/pvrusb2/pvrusb2-v4l2.c:714:14: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-v4l2.c:715:16: warning: Using plain integer as NULL pointer drivers/media/video/pvrusb2/pvrusb2-v4l2.c:1079:10: warning: Using plain intege...
```diff diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c index df8feac16aee..c80c26be6e4d 100644 --- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c +++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c @@ -221,7 +221,7 @@ static unsigned int decod...
73218187e8650c08d4e4735dbeeeb860f438da7c
Analyze and fix the following issue in the Linux kernel code: [ARM] 3917/1: Fix dmabounce symbol exports
Problem Details: dma_sync_single is no more (and to be removed in 2.7) so this export should be dma_sync_single_for_cpu. Also export dma_sync_single_for_device. Signed-off-by: Kevin Hilman <khilman@mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
```diff diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 028bdc9228fb..2e635b814c14 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -662,7 +662,8 @@ EXPORT_SYMBOL(dma_map_single); EXPORT_SYMBOL(dma_unmap_single); EXPORT_SYMBOL(dma_map_sg); EXPORT_SYMBOL(dma_u...
7a118df3ea23820b9922a1b51cd2f24e464f4c17
Analyze and fix the following issue in the Linux kernel code: RDMA/addr: Use client registration to fix module unload race
Problem Details: Require registration with ib_addr module to prevent caller from unloading while a callback is in progress. Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
```diff diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c index 60d3fbdd216c..e11187ecc931 100644 --- a/drivers/infiniband/core/addr.c +++ b/drivers/infiniband/core/addr.c @@ -47,6 +47,7 @@ struct addr_req { struct sockaddr src_addr; struct sockaddr dst_addr; struct rdma_dev_addr *addr;...
8b922a851731037b2f1e1669e9b1a0baff3ab5dc
Analyze and fix the following issue in the Linux kernel code: [MIPS] Ocelot G: Fix : "CURRENTLY_UNUSED" is not defined warning.
Problem Details: CC arch/mips/momentum/ocelot_g/gt-irq.o arch/mips/momentum/ocelot_g/gt-irq.c:30:5: warning: "CURRENTLY_UNUSED" is not defined arch/mips/momentum/ocelot_g/gt-irq.c:199:5: warning: "CURRENTLY_UNUSED" is not defined Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/momentum/ocelot_g/gt-irq.c b/arch/mips/momentum/ocelot_g/gt-irq.c index 7b5cc6648f7e..e5576bd50fa9 100644 --- a/arch/mips/momentum/ocelot_g/gt-irq.c +++ b/arch/mips/momentum/ocelot_g/gt-irq.c @@ -27,7 +27,7 @@ unsigned long bus_clock; * be handled and ack'ed differently than other MIPS ...
9ba126cfbf505f4d5b39ed294cedd241321c7a91
Analyze and fix the following issue in the Linux kernel code: [MIPS] Fix warning about init_initrd() call if !CONFIG_BLK_DEV_INITRD.
Problem Details: Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index fdbb508661c5..8f6e89697ccf 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -223,7 +223,11 @@ disable: #else /* !CONFIG_BLK_DEV_INITRD */ -#define init_initrd() 0 +static unsigned long __init init_initrd(void) +...
1a5c5de1b64ec510a6ab6994702c295db00b9acc
Analyze and fix the following issue in the Linux kernel code: [MIPS] IP27: Allow SMP ;-) Another changeset messed up by patch.
Problem Details: When lmo commit 4ef893e0515e8bf336dfbd200884f244869fbb43 was merged to kernel.org as e73ea273ef87a04ff59fc368fa33333dca275dde patch happily applied the IP27 segment to IP22. f63f36c18b11e166d0f362ac04dbcd7e6ea23f9e did fix the effects partially - and with a wrong log message. Now fixed for real (tm)....
```diff diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 848089ecb64d..1443024b1c7c 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -559,6 +559,7 @@ config SGI_IP27 select SYS_SUPPORTS_64BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_SUPPORTS_NUMA + select SYS_SUPPORTS_SMP help This ...
8a88ca8f7fd15d06e53a848c6b3558ed9973327c
Analyze and fix the following issue in the Linux kernel code: [MIPS] Fix merge screwup by patch(1)
Problem Details: Patch happily applied an Ocelot G patch to Ocelot C when merging linux-mips.org changeset 91ee9a801e65d2981dfe327d2519c7fc6ab02e6b into kernel.org as 6ceb6d3ab2d402cea326320a4143db90a66fd216. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 76f1cea6ddc9..848089ecb64d 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -408,7 +408,7 @@ config MOMENCO_OCELOT_C select SWAP_IO_SPACE select SYS_HAS_CPU_RM7000 select SYS_SUPPORTS_32BIT_KERNEL - select SYS_SUPPORTS_64BIT_KERNEL if BROKE...
8e87d4dc159148f04f515bc072df22a2c089e7f2
Analyze and fix the following issue in the Linux kernel code: [CIFS] report rename failure when target file is locked by Windows
Problem Details: Fixes Samba bugzilla bug # 4182 Rename by handle failures (retry after rename by path) were not being returned back. Signed-off-by: Steve French <sfrench@us.ibm.com>
```diff diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 50afab81a59b..0b3c37ef52e0 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -3,7 +3,9 @@ Version 1.46 Support deep tree mounts. Better support OS/2, Win9x (DOS) time stamps. Allow null user to be specified on mount ("username="). Do not return EINVAL...
c7fed9d75074f7c243ec8ff2c55d04de2839a6f6
Analyze and fix the following issue in the Linux kernel code: [SPARC64]: Fix futex_atomic_cmpxchg_inatomic implementation.
Problem Details: I copied the logic from ll/sc arch implementations, but that was wrong and makes no sense at all. Just do a straight compare-exchange instruction, just like x86. Based upon bug reports from Dennis Gilmore and Fabio Massimo. Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/include/asm-sparc64/futex.h b/include/asm-sparc64/futex.h index dee40206b221..7392fc4a954e 100644 --- a/include/asm-sparc64/futex.h +++ b/include/asm-sparc64/futex.h @@ -87,24 +87,22 @@ static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) { __asm__ __volati...
d55b4c631e89a008e80b003e5aa4291d9ec800ac
Analyze and fix the following issue in the Linux kernel code: [TIPC] net/tipc/port.c: fix NULL dereference
Problem Details: The correct order is: NULL check before dereference Spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/tipc/port.c b/net/tipc/port.c index c1a1a76759b5..b7f3199523ca 100644 --- a/net/tipc/port.c +++ b/net/tipc/port.c @@ -1136,11 +1136,12 @@ int tipc_publish(u32 ref, unsigned int scope, struct tipc_name_seq const *seq) int res = -EINVAL; p_ptr = tipc_port_lock(ref); + if (!p_ptr) + return ...
67cac1eba7eee92e2b25c1e8e4737968dc7c8522
Analyze and fix the following issue in the Linux kernel code: [MIPS] Fix warning in mips-boards generic PCI
Problem Details: arch/mips/mips-boards/generic/pci.c: In function `mips_pcibios_init': arch/mips/mips-boards/generic/pci.c:227: warning: comparison of distinct pointer types lacks a cast arch/mips/mips-boards/generic/pci.c:228: warning: comparison of distinct pointer types lacks a cast Signed-off-by: Yoichi Yuasa <yoi...
```diff diff --git a/arch/mips/mips-boards/generic/pci.c b/arch/mips/mips-boards/generic/pci.c index 9337f6c8873a..3192a14698c8 100644 --- a/arch/mips/mips-boards/generic/pci.c +++ b/arch/mips/mips-boards/generic/pci.c @@ -90,7 +90,7 @@ static struct pci_controller msc_controller = { void __init mips_pcibios_init(void...
cb56837ea5f15fa5279fd490f292134c3a92e5de
Analyze and fix the following issue in the Linux kernel code: [MIPS] SMTC: Fix crash if # of TC's > # of VPE's after pt_regs irq cleanup.
Problem Details: Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S index 417c08ac76eb..f10b6a19f8bf 100644 --- a/arch/mips/kernel/entry.S +++ b/arch/mips/kernel/entry.S @@ -83,7 +83,10 @@ FEXPORT(syscall_exit) FEXPORT(restore_all) # restore full frame #ifdef CONFIG_MIPS_MT_SMTC /* Detect and execute deferred...
242954b5aa8e5ec84f46a84637daf08ee4247c6e
Analyze and fix the following issue in the Linux kernel code: [MIPS] 16K & 64K page size fixes
Problem Details: Derived from Peter Watkins <treestem@gmail.com>'s work. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index e9ce5b3721af..ff88b06f89df 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -22,7 +22,7 @@ #define offset(string, ptr, member) \ __asm__("\n@@@" string "%0" : : "i" (_offset(ptr, member))) #...
1244a19cde42c268aa159d264fc2df072a3ff82f
Analyze and fix the following issue in the Linux kernel code: [PATCH] ahci: fix status register check in ahci_softreset
Problem Details: ahci_softreset() used to use ahci_tf_read() which reads D2H_REG area to check for the Status register. However, this area is zeroed on initialization and not set by initial signature FIS. Replace it with ahci_check_status(). This bug prevented CLO code from being activated whenever BSY and/or DRQ is...
```diff diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index cef2e70d64f8..988f8bbd14ff 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -736,8 +736,7 @@ static int ahci_softreset(struct ata_port *ap, unsigned int *class) } /* check BUSY/DRQ, perform Command List Override if necessary */ - ahci_t...
4393c4f6788cee65095dd838cfeca6edefbfeb52
Analyze and fix the following issue in the Linux kernel code: [POWERPC] Make alignment exception always check exception table
Problem Details: The alignment exception used to only check the exception table for -EFAULT, not for other errors. That opens an oops window if we can coerce the kernel into getting an alignment exception for other reasons in what would normally be a user-protected accessor, which can be done via some of the futex ops....
```diff diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c index 5ed4c2ceb5ca..c66b4771ef44 100644 --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -843,7 +843,7 @@ void __kprobes program_check_exception(struct pt_regs *regs) void alignment_exception(struct pt_regs *regs) {...
dd6c89f686bdb2a5de72fab636fc839e5a0add6d
Analyze and fix the following issue in the Linux kernel code: [POWERPC] Fix oprofile support for e500 in arch/powerpc
Problem Details: Fixed a compile error in building the 85xx support with oprofile, and in the process cleaned up some issues with the fsl_booke performance monitor code. * Reorganized FSL Book-E performance monitoring code so that the 7450 wouldn't be built if the e500 was, and cleaned it up so it was more self-co...
```diff diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 8b133afbdc20..7af23c43fd4b 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -38,7 +38,6 @@ obj-$(CONFIG_6xx) += idle_6xx.o l2cr_6xx.o cpu_setup_6xx.o obj-$(CONFIG_TAU) += tau_6xx.o obj32-$(CONFIG_SO...
e0da0daee14862e0a5c49f2059641a8deb27eca2
Analyze and fix the following issue in the Linux kernel code: [POWERPC] Fix rmb() for e500-based machines it
Problem Details: The e500 core generates an illegal instruction exception when it tries to execute the lwsync instruction, which we currently use for rmb(). This fixes it by using the LWSYNC macro, which turns into a plain sync on 32-bit machines. Signed-off-by: Andrew Fleming <afleming@freescale.com> Signed-off-by: P...
```diff diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h index 43627596003b..f7b1227d6454 100644 --- a/include/asm-powerpc/system.h +++ b/include/asm-powerpc/system.h @@ -25,8 +25,8 @@ * * We have to use the sync instructions for mb(), since lwsync doesn't * order loads with respect to pre...
441cbd8dace80545db2ac43175ac1c097d96f75c
Analyze and fix the following issue in the Linux kernel code: [POWERPC] Fix various offb issues
Problem Details: This patch fixes a few issues in offb: - A test was inverted causing the palette hack to never work (no device node was passed down to the init function) - Some cards seem to have their assigned-addresses property in a random order, thus we need to try using of_get_pci_address() first, which will f...
```diff diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c index 995fcef156fd..93f21aaf7c8e 100644 --- a/arch/powerpc/kernel/btext.c +++ b/arch/powerpc/kernel/btext.c @@ -182,7 +182,7 @@ int btext_initialize(struct device_node *np) prop = get_property(np, "linux,bootx-linebytes", NULL); if (prop...
df6d7c94b0c3ae6a1185c9e5fa8ee3368e4a5efb
Analyze and fix the following issue in the Linux kernel code: [PATCH] bcm43xx: fix unexpected LED control values in BCM4303 sprom
Problem Details: The bcm43xx driver uses 4 locations in the devices sprom to determine the behavior of the leds. Certain defaults are assigned if all bits are set in those locations. On at least one BCM4303 chip, the sprom contains values other than the default, which executes an assertion placed in the default case of...
```diff diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_leds.c b/drivers/net/wireless/bcm43xx/bcm43xx_leds.c index 2ddbec6bf15b..7d383a27b927 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_leds.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_leds.c @@ -189,20 +189,24 @@ void bcm43xx_leds_update(struct bcm43xx_private...
81e171b95d2d06a64465a1e6ab1e2fb864ea2448
Analyze and fix the following issue in the Linux kernel code: [PATCH] bcm43xx: Fix low-traffic netdev watchdog TX timeouts
Problem Details: This fixes a netdev watchdog timeout problem. The software needs to call netif_tx_disable before running the hardware calibration code. The problem condition can be shown by the following timegraph. |---5secs - ~10 jiffies time---|---|OOPS ^ ^ last real TX ...
```diff diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c index a94c6d8826f8..65edb56107fd 100644 --- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c +++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c @@ -3163,9 +3163,11 @@ static int estimate_periodic_work_badness(unsi...
115e222d538e7838bffa0f76409acd9816a0ef32
Analyze and fix the following issue in the Linux kernel code: [PATCH] hostap_plx: fix CIS verification
Problem Details: The length of the manfid CIS should be at least 4, and it's normally 4. It's incorrect to require it to be at least 5. This breaks support for most (if not all) cards. The right place to ensure that we don't access beyond the CIS buffer is to strengthen another check. Make sure that the next tuple b...
```diff diff --git a/drivers/net/wireless/hostap/hostap_plx.c b/drivers/net/wireless/hostap/hostap_plx.c index 6dfa041be66d..bc81b13a5a2a 100644 --- a/drivers/net/wireless/hostap/hostap_plx.c +++ b/drivers/net/wireless/hostap/hostap_plx.c @@ -364,7 +364,7 @@ static int prism2_plx_check_cis(void __iomem *attr_mem, int a...
aec41a0d02342fc9e3b6bb278eae50fa29f04d1f
Analyze and fix the following issue in the Linux kernel code: [PATCH] ieee80211: don't flood log with errors
Problem Details: The "ieee80211: Workaround malformed 802.11 frames from AP" patch (see http://kernel.org/git/?p=linux/kernel/git/linville/wireless-2.6.git;a=commit;h=f09fc44d8c25f22c4d985bb93857338ed02feac6 ) fixes the problem with some buggy APs but also converts debug message into an error one. This floods the log w...
```diff diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c index 770704183a1b..2759312a4204 100644 --- a/net/ieee80211/ieee80211_rx.c +++ b/net/ieee80211/ieee80211_rx.c @@ -1078,12 +1078,12 @@ static int ieee80211_parse_info_param(struct ieee80211_info_element while (length >= sizeof(*info_ele...
cf0e812f0e90ee496af072b136e8bd02770387e6
Analyze and fix the following issue in the Linux kernel code: [PATCH] sata_sis: fix flags handling for the secondary port
Problem Details: sis_init_one() modifies probe_ent->port_flags after allocating and initializing it using ata_pci_init_native_mode(). This makes port_flags for the secondary port (probe_ent->pinfo2->flags) go out of sync resulting in misdetection of device due to incorrectly initialized SCR access flag. This patch ma...
```diff diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c index 0738f52463a9..9d1235ba06b1 100644 --- a/drivers/ata/sata_sis.c +++ b/drivers/ata/sata_sis.c @@ -240,7 +240,7 @@ static int sis_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) struct ata_probe_ent *probe_ent = NULL; int rc; ...
0ca43235b34c92278fa903297acef37198ec3e26
Analyze and fix the following issue in the Linux kernel code: [PATCH] sky2: netpoll on dual port cards
Problem Details: The sky2 driver uses a single NAPI poll routine for both ports on dual ported cards (because there is a single IRQ and status ring). Netpoll makes assumptions about the relationship between network device and NAPI that aren't correct on the second port, this will cause the port to never clear work. Mo...
```diff diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 53171f62b267..16616f5440d0 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -3238,7 +3238,11 @@ static __devinit struct net_device *sky2_init_netdev(struct sky2_hw *hw, dev->poll = sky2_poll; dev->weight = NAPI_WEIGHT; #ifdef CONFIG_NET...
1e1675ccf758cbb4303ab052d58405cda6c745a7
Analyze and fix the following issue in the Linux kernel code: [PATCH] ehea: kzalloc GFP_ATOMIC fix
Problem Details: This patch fixes kzalloc parameters (GFP_ATOMIC instead of GFP_KERNEL) Signed-off-by: Jan-Bernd Themann <themann@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index eb7d44de59ff..4538c99733fd 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -586,8 +586,8 @@ int ehea_sense_port_attr(struct ehea_port *port) u64 hret; struct hcp_ehea_port_cb0 *cb0; - cb0 = kzall...
09669585b5d0cfdebe28250d442693b3baac66a2
Analyze and fix the following issue in the Linux kernel code: [PATCH] n2: fix confusing error code
Problem Details: modprobe n2 with no parameters or no such devices will get confusing error message. # modprobe n2 ... Kernel does not have module support This patch replaces return code from -ENOSYS to -EINVAL. Cc: Jeff Garzik <jgarzik@pobox.com> Cc: Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by: Akinobu Mita <ak...
```diff diff --git a/drivers/net/wan/n2.c b/drivers/net/wan/n2.c index dcf46add3adf..5c322dfb79f6 100644 --- a/drivers/net/wan/n2.c +++ b/drivers/net/wan/n2.c @@ -500,7 +500,7 @@ static int __init n2_init(void) #ifdef MODULE printk(KERN_INFO "n2: no card initialized\n"); #endif - return -ENOSYS; /* no parameters ...
9d4df9e0fadfc84cd826e0f7e946691b4d7baee5
Analyze and fix the following issue in the Linux kernel code: [PATCH] tokenring: fix module_init error handling
Problem Details: - Call platform_driver_unregister() before return when no cards found. (fixes data corruption when no cards found) - Check platform_device_register_simple() return value Cc: Jeff Garzik <jgarzik@pobox.com> Cc: Mike Phillips <mikep@linuxtr.net> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> ...
```diff diff --git a/drivers/net/tokenring/proteon.c b/drivers/net/tokenring/proteon.c index 4f756960db2a..cb7dbb63c9d9 100644 --- a/drivers/net/tokenring/proteon.c +++ b/drivers/net/tokenring/proteon.c @@ -370,6 +370,10 @@ static int __init proteon_init(void) dev->dma = dma[i]; pdev = platform_device_register_si...
79c356f44b26da9fe357ed1a11e7faec4fd94e13
Analyze and fix the following issue in the Linux kernel code: [PATCH] ep93xx_eth: fix unlikely(x) > y test
Problem Details: Fix unlikely(x) > y test in ep93xx_eth. Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
```diff diff --git a/drivers/net/arm/ep93xx_eth.c b/drivers/net/arm/ep93xx_eth.c index 2fc8b2a1a023..90d77ec48fb6 100644 --- a/drivers/net/arm/ep93xx_eth.c +++ b/drivers/net/arm/ep93xx_eth.c @@ -334,7 +334,7 @@ static int ep93xx_xmit(struct sk_buff *skb, struct net_device *dev) struct ep93xx_priv *ep = netdev_priv(de...
2d38caba5fd148976f54930782e8209fa45879a0
Analyze and fix the following issue in the Linux kernel code: [PATCH] ep93xx_eth: fix RX/TXstatus ring full handling
Problem Details: Ray Lehtiniemi reported that an incoming UDP packet flood can lock up the ep93xx ethernet driver. Herbert Valerio Riedel noted that due to the way ep93xx_eth manages the RX/TXstatus rings, it cannot distinguish a full ring from an empty one, and correctly suggested that this was likely to be causing t...
```diff diff --git a/drivers/net/arm/ep93xx_eth.c b/drivers/net/arm/ep93xx_eth.c index 127561c782fd..2fc8b2a1a023 100644 --- a/drivers/net/arm/ep93xx_eth.c +++ b/drivers/net/arm/ep93xx_eth.c @@ -193,12 +193,9 @@ static struct net_device_stats *ep93xx_get_stats(struct net_device *dev) static int ep93xx_rx(struct net_de...
cad40654c312fc51bdb520e9be91e29a9742bbcb
Analyze and fix the following issue in the Linux kernel code: [MTD] NAND: Fix ECC settings in CAFÉ controller driver.
Problem Details: We were resetting cafe->ctl2 to zero after an erase (and also during a write, but it was correctly reset after that). This meant that ECC reads after an erase were failing. Doh. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
```diff diff --git a/drivers/mtd/nand/cafe.c b/drivers/mtd/nand/cafe.c index c5d03b07f7a9..fad304bf7b7e 100644 --- a/drivers/mtd/nand/cafe.c +++ b/drivers/mtd/nand/cafe.c @@ -159,6 +159,7 @@ static void cafe_nand_cmdfunc(struct mtd_info *mtd, unsigned command, /* Second half of a command we already calculated */ ...
781b0f8d4f9c90137ea32771346ab49f0e5319b3
Analyze and fix the following issue in the Linux kernel code: [MIPS] VSMP: Fix initialization ordering bug.
Problem Details: Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c index 3b5f3b632622..06b29fa73f56 100644 --- a/arch/mips/kernel/smp-mt.c +++ b/arch/mips/kernel/smp-mt.c @@ -140,15 +140,88 @@ static struct irqaction irq_call = { .name = "IPI_call" }; +static void __init smp_copy_vpe_config(void) +{ + wri...
3ab0f40f333007eb31dc1e08f578ec224c7d71c2
Analyze and fix the following issue in the Linux kernel code: [MIPS] Fix warning of printk format in mips_srs_init()
Problem Details: arch/mips/kernel/traps.c:1115: warning: int format, long unsigned int arg (arg 2) Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index cce8313ec27d..9fda1b8be3a7 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -1111,7 +1111,7 @@ static struct shadow_registers { static void mips_srs_init(void) { shadow_registers.sr_supported = ((read_c0_srsctl() >...
38384c8bd82474bf74ea68e4e44aaa14504deb07
Analyze and fix the following issue in the Linux kernel code: [MIPS] Yosemite: fix uninitialized variable in titan_i2c_xfer()
Problem Details: Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
```diff diff --git a/arch/mips/pmc-sierra/yosemite/i2c-yosemite.c b/arch/mips/pmc-sierra/yosemite/i2c-yosemite.c index 416da22b3bf4..85b14c73c226 100644 --- a/arch/mips/pmc-sierra/yosemite/i2c-yosemite.c +++ b/arch/mips/pmc-sierra/yosemite/i2c-yosemite.c @@ -74,7 +74,7 @@ static int titan_i2c_poll(void) int titan_i2c_...
68586b67ab1a2fd618f79e29a06f10ae886f4b46
Analyze and fix the following issue in the Linux kernel code: IB/mthca: Fix MAD extended header format for MAD_IFC firmware command
Problem Details: Several fields in an incoming MAD extended info header were passed into the MAD_IFC firmware command at incorrect offsets (mostly off by 4 bytes). As the result, the HCA will fail to generate traps in which this info is needed (e.g. traps which include the GRH of the incoming packet), in violation of ...
```diff diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index 99a94d710935..768df7265b81 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -1820,11 +1820,11 @@ int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int...
5fccbf61be2a7f32d2002b04afca4c5009612a58
Analyze and fix the following issue in the Linux kernel code: [PATCH] CFQ: request <-> request merging rr_list fixup
Problem Details: In very rare circumstances would we be pruning a merged request and at the same time delete the implicated cfqq from the rr_list, and not readd it when the merged request got added. This could cause io stalls until that process issued io again. Fix it up by putting the rr_list add handling into cfq_ad...
```diff diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index 25c4e7ed0d00..1d9c3c70a9a0 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -456,6 +456,9 @@ static void cfq_add_rq_rb(struct request *rq) */ while ((__alias = elv_rb_add(&cfqq->sort_list, rq)) != NULL) cfq_dispatch_insert(cfqd->q...
45ec4ababe999cb95f9c0cad03b2689cb0b77a2b
Analyze and fix the following issue in the Linux kernel code: [PATCH] eCryptfs: Fix handling of lower d_count
Problem Details: Fix the use of dget/dput calls to balance out on the lower filesystem. Signed-off-by: Michael Halcrow <mhalcrow@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/fs/ecryptfs/dentry.c b/fs/ecryptfs/dentry.c index f0d2a433242b..0b9992ab990f 100644 --- a/fs/ecryptfs/dentry.c +++ b/fs/ecryptfs/dentry.c @@ -24,6 +24,7 @@ #include <linux/dcache.h> #include <linux/namei.h> +#include <linux/mount.h> #include "ecryptfs_kernel.h" /** @@ -76,8 +77,13 @@ static...
4a279ff1ea1cf325775ada983035123fcdc8e986
Analyze and fix the following issue in the Linux kernel code: [PATCH] taskstats: fix sub-threads accounting
Problem Details: If there are no listeners, taskstats_exit_send() just returns because taskstats_exit_alloc() didn't allocate *tidstats. This is wrong, each sub-thread should do fill_tgid_exit() on exit, otherwise its ->delays is not recorded in ->signal->stats and lost. Q: We don't send TASKSTATS_TYPE_AGGR_TGID when...
```diff diff --git a/kernel/taskstats.c b/kernel/taskstats.c index 2039585ec5e1..f45c5e70773c 100644 --- a/kernel/taskstats.c +++ b/kernel/taskstats.c @@ -455,10 +455,9 @@ void taskstats_exit_send(struct task_struct *tsk, struct taskstats *tidstats, int is_thread_group; struct nlattr *na; - if (!family_registered...
d8d7c28ec0b50ac57ddc909ae6eca1519473f300
Analyze and fix the following issue in the Linux kernel code: [PATCH] uml ubd driver: various little changes
Problem Details: Fix a small memory leak in ubd_config, and clearify the confusion which lead to it. Then, some little changes not affecting operations - * move init functions together, * add a comment about a potential problem in case of some evolution in the block layer, * mark all initcalls as static __init functio...
```diff diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 125a63fd3a45..49c047b75cc5 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -202,17 +202,6 @@ struct ubd { struct ubd ubd_devs[MAX_DEV] = { [ 0 ... MAX_DEV - 1 ] = DEFAULT_UBD }; -static int ubd0_init(void...
e7f6552f237498c805af9f01aba168b731e0a4ce
Analyze and fix the following issue in the Linux kernel code: [PATCH] uml ubd driver: reformat ubd_config
Problem Details: Pure whitespace and style fixes split out from subsequent patch. Some changes (err -> ret) don't make sense now, only later, but I split them out anyway since they cluttered the patch. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-b...
```diff diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 460d669b4774..eed95dc356e0 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -706,27 +706,36 @@ out: static int ubd_config(char *str) { - int n, err; + int n, ret; str = kstrdup(str, GFP_KERNEL); - if(st...
36a561d6a95c4b89ae4845bf91456b4f784b6eec
Analyze and fix the following issue in the Linux kernel code: [PATCH] find_bd_holder() fix
Problem Details: fs/block_dev.c: In function 'find_bd_holder': fs/block_dev.c:666: warning: return makes integer from pointer without a cast fs/block_dev.c:669: warning: return makes integer from pointer without a cast fs/block_dev.c: In function 'add_bd_holder': fs/block_dev.c:685: warning: unused variable 'tmp' fs/bl...
```diff diff --git a/fs/block_dev.c b/fs/block_dev.c index aaa8301f43f1..36c0e7af9d0f 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -651,7 +651,8 @@ static void free_bd_holder(struct bd_holder *bo) * If found, increment the reference count and return the pointer. * If not found, returns NULL. */ -static int...
1b7c2dbc07bf0663a41e3dc838992930019f08fd
Analyze and fix the following issue in the Linux kernel code: [IPV6]: fix flowlabel seqfile handling
Problem Details: There's a bug in the seqfile show operation for flowlabel objects, where each hash chain is traversed cumulatively for each element. The following function is called for each element of each chain: static void ip6fl_fl_seq_show(struct seq_file *seq, struct ip6_flowlabel *fl) { while(fl) { ...
```diff diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index 2b45f2d657c2..6d4533b58dca 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -627,9 +627,13 @@ static void ip6fl_seq_stop(struct seq_file *seq, void *v) read_unlock_bh(&ip6_fl_lock); } -static void ip6fl_fl_seq_sho...
d7b748d63c908a0a85099ce546594192ae0926f6
Analyze and fix the following issue in the Linux kernel code: IB/amso1100: Fix incorrect pr_debug()
Problem Details: pr_debug() was printing the wrong stuff. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
```diff diff --git a/drivers/infiniband/hw/amso1100/c2_rnic.c b/drivers/infiniband/hw/amso1100/c2_rnic.c index 030238d335ed..21d9612a56cc 100644 --- a/drivers/infiniband/hw/amso1100/c2_rnic.c +++ b/drivers/infiniband/hw/amso1100/c2_rnic.c @@ -545,8 +545,8 @@ int c2_rnic_init(struct c2_dev *c2dev) goto bail2; } p...
04d03bc576f244bfa9692452aab83fa357ac0d57
Analyze and fix the following issue in the Linux kernel code: IB/ehca: Fix eHCA driver compilation for uniprocessor
Problem Details: The eHCA driver does not compile for a uniprocessor configuration (CONFIG_SMP=n), due to H_SUCCESS and other symbols being undefined. This fixes it. Signed-off-by: Paul Mackerras <paulus@samba.org> Acked-by: Hoang-Nam Nguyen <HNGUYEN@de.ibm.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
```diff diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/infiniband/hw/ehca/ehca_tools.h index 809da3ef706b..973c4b591545 100644 --- a/drivers/infiniband/hw/ehca/ehca_tools.h +++ b/drivers/infiniband/hw/ehca/ehca_tools.h @@ -63,6 +63,7 @@ #include <asm/ibmebus.h> #include <asm/io.h> #include <asm/pgtab...
1aea7e00f6b83d32d359aeb8d670f1f7aaa88d55
Analyze and fix the following issue in the Linux kernel code: video: Fix include in hp680_bl.
Problem Details: The hp6xx.h header moved location, causing the build to fail, fix it up. Signed-off-by: Kristoffer Ericson <kristoffer_e1@hotmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
```diff diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c index fe1488374f62..e3993213d10e 100644 --- a/drivers/video/backlight/hp680_bl.c +++ b/drivers/video/backlight/hp680_bl.c @@ -19,7 +19,7 @@ #include <linux/backlight.h> #include <asm/cpu/dac.h> -#include <asm/hp6xx/hp6xx.h>...
9001f2850ff92b52d7654379e7b7feb72f78f161
Analyze and fix the following issue in the Linux kernel code: [SPARC64]: Fix Tomatillo/Schizo IRQ handling.
Problem Details: The code in schizo_irq_trans_init() should set irq_data->sync_reg to the location of the SYNC register if this is Tomatillo, and set it to zero otherwise. But that is not what it is doing. As a result, non-Tomatillo systems were trying to access a non-existent register resulting in bus errors at the ...
```diff diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c index c60efb3cb22e..0917c24c4f08 100644 --- a/arch/sparc64/kernel/prom.c +++ b/arch/sparc64/kernel/prom.c @@ -793,7 +793,7 @@ static unsigned int schizo_irq_build(struct device_node *dp, return virt_irq; } -static void schizo_irq_trans_in...
bcb55165d3d1ae3ec95807d118fd6d5956cd127b
Analyze and fix the following issue in the Linux kernel code: [PATCH] fix bd_claim_by_kobject error handling
Problem Details: This fixes bd_claim_by_kobject to release bdev correctly in case that bd_claim succeeds but following add_bd_holder fails. Signed-off-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
```diff diff --git a/fs/block_dev.c b/fs/block_dev.c index 702b88cbd91d..b54b0a1b7c68 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -751,8 +751,11 @@ static int bd_claim_by_kobject(struct block_device *bdev, void *holder, mutex_lock_nested(&bdev->bd_mutex, BD_MUTEX_PARTITION); res = bd_claim(bdev, holder); ...
920b868ae1dfdac77c5e8c97e7067b23680f043e
Analyze and fix the following issue in the Linux kernel code: [NETFILTER]: ip_tables: compat code module refcounting fix
Problem Details: This patch fixes bug in iptables modules refcounting on compat error way. As we are getting modules in check_compat_entry_size_and_hooks(), in case of later error, we should put them all in translate_compat_table(), not in the compat_copy_entry_from_user() or compat_copy_match_from_user(), as it is n...
```diff diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index 0f4835cf0e4d..8a455439b128 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -1527,7 +1527,7 @@ cleanup_matches: static inline int compat_copy_match_from_user(struct ipt_entry_match *m, void...
bcd620757d3a4ae78ef0ca41adb5d9e400ed92b6
Analyze and fix the following issue in the Linux kernel code: [IPV6]: fix lockup via /proc/net/ip6_flowlabel
Problem Details: There's a bug in the seqfile handling for /proc/net/ip6_flowlabel, where, after finding a flowlabel, the code will loop forever not finding any further flowlabels, first traversing the rest of the hash bucket then just looping. This patch fixes the problem by breaking after the hash bucket has been tr...
```diff diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index 1d672b0547f2..062e526a668c 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -587,6 +587,8 @@ static struct ip6_flowlabel *ip6fl_get_next(struct seq_file *seq, struct ip6_flo while (!fl) { if (++state->bucket <= FL...
a27b58fed90cc5654e2daf1d292cc5bc61be4dd7
Analyze and fix the following issue in the Linux kernel code: [NET]: fix uaccess handling
Problem Details: Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
```diff diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index b430cf2a4f66..5c31dead2bdc 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -329,7 +329,7 @@ error: return err; } -static void raw_probe_proto_opt(struct flowi *fl, struct msghdr *msg) +static int raw_probe_proto_opt(struct flowi *fl, struct msghdr *ms...
28cd7752734563d5b0967b96a6bade7a1dc89c7f
Analyze and fix the following issue in the Linux kernel code: [SCTP]: Always linearise packet on input
Problem Details: I was looking at a RHEL5 bug report involving Xen and SCTP (https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=212550). It turns out that SCTP wasn't written to handle skb fragments at all. The absence of any calls to skb_may_pull is testament to that. It just so happens that Xen creates fragmented...
```diff diff --git a/net/sctp/input.c b/net/sctp/input.c index 64f630102532..99c0501ca513 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -135,6 +135,9 @@ int sctp_rcv(struct sk_buff *skb) SCTP_INC_STATS_BH(SCTP_MIB_INSCTPPACKS); + if (skb_linearize(skb)) + goto discard_it; + sh = (struct sctphdr *) sk...
c20e3945c761502b9d5d73ef0ff5f1a84b3a717e
Analyze and fix the following issue in the Linux kernel code: [ETH1394]: Fix unaligned accesses.
Problem Details: Several u64 objects are derefernced in situations where the pointer is not guarenteed to be aligned correctly. Use get_unaligned() as needed. Thanks to Will Simoneau for lots of testing and debugging help. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Stefan Richter <stefanr@s5r6.in...
```diff diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c index 8a7b8fab6238..31e5cc49d61a 100644 --- a/drivers/ieee1394/eth1394.c +++ b/drivers/ieee1394/eth1394.c @@ -64,6 +64,7 @@ #include <linux/ethtool.h> #include <asm/uaccess.h> #include <asm/delay.h> +#include <asm/unaligned.h> #include <ne...
234af4840135342ab295b4e1219fd35c27fdd439
Analyze and fix the following issue in the Linux kernel code: [DCCP]: fix printk format warnings
Problem Details: Fix printk format warnings: build2.out:net/dccp/ccids/ccid2.c:355: warning: long long unsigned int format, u64 arg (arg 3) build2.out:net/dccp/ccids/ccid2.c:360: warning: long long unsigned int format, u64 arg (arg 3) build2.out:net/dccp/ccids/ccid2.c:482: warning: long long unsigned int format, u64 ar...
```diff diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c index 2fbb84bf4e26..162032baeac0 100644 --- a/net/dccp/ccids/ccid2.c +++ b/net/dccp/ccids/ccid2.c @@ -352,14 +352,14 @@ static void ccid2_hc_tx_packet_sent(struct sock *sk, int more, int len) #ifdef CONFIG_IP_DCCP_CCID2_DEBUG ccid2_pr_debug("pipe...
c8884edd078748905552d667857259e5358e1232
Analyze and fix the following issue in the Linux kernel code: [NET]: Fix segmentation of linear packets
Problem Details: skb_segment fails to segment linear packets correctly because it tries to write all linear parts of the original skb into each segment. This will always panic as each segment only contains enough space for one MSS. This was not detected earlier because linear packets should be rare for GSO. In fact ...
```diff diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 3c23760c5827..f735455dc5d1 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1946,7 +1946,7 @@ struct sk_buff *skb_segment(struct sk_buff *skb, int features) do { struct sk_buff *nskb; skb_frag_t *frag; - int hsize, nsize; + int hsize; ...