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Oleg Nesterov 3716748530 [PATCH] taskstats: cleanup reply assembling 
Thomas Graf wrote:
>
> nla_nest_start() may return NULL, either rely on prepare_reply() to be
> correct and BUG() on failure or do proper error handling for all
> functions.

nla_put() in taskstat.c can fail only if the 'size' argument of alloc_skb()
was not right. This is a kernel bug, we should not hide it. So add 'BUG()'
on error path and check for 'na == NULL'.

> genlmsg_cancel() is only required in error paths for dumping
> procedures.

So we can remove 'genlmsg_cancel()' calls and 'void *reply' (saves 227 bytes).

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Thomas Graf <tgraf@suug.ch>
Cc: Shailabh Nagar <nagar@watson.ibm.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Cc: Jay Lan <jlan@sgi.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 		2006-12-07 08:39:34 -08:00
..
irq Don't call "note_interrupt()" with irq descriptor lock held 2006-11-22 09:32:06 -08:00
power [PATCH] Export pm_suspend for the shared APM emulation 2006-12-07 08:39:32 -08:00
time [PATCH] time_adjust cleared before use 2006-10-28 11:30:55 -07:00
.gitignore
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Kconfig.hz
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Kconfig.preempt
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Makefile
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acct.c
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audit.c [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
audit.h
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auditfilter.c
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auditsc.c [PATCH] severing skbuff.h -> highmem.h 2006-12-04 02:00:29 -05:00
capability.c
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compat.c [PATCH] Create compat_sys_migrate_pages 2006-11-03 12:27:59 -08:00
configs.c
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cpu.c [PATCH] suspend: don't change cpus_allowed for task initiating the suspend 2006-12-07 08:39:28 -08:00
cpuset.c [PATCH] cpuset: minor code refinements 2006-12-07 08:39:32 -08:00
delayacct.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
dma.c
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exec_domain.c
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exit.c [PATCH] taskstats: cleanup do_exit() path 2006-12-07 08:39:34 -08:00
extable.c
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fork.c [PATCH] taskstats: cleanup ->signal->stats allocation 2006-12-07 08:39:34 -08:00
futex.c [PATCH] mm: pagefault_{disable,enable}() 2006-12-07 08:39:21 -08:00
futex_compat.c
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hrtimer.c
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itimer.c
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kallsyms.c [PATCH] /proc/kallsyms reports lower-case types for some non-exported symbols 2006-12-07 08:39:31 -08:00
kexec.c
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kfifo.c
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kmod.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 2006-12-05 14:37:56 +00:00
kprobes.c
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ksysfs.c
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kthread.c WorkStruct: Pass the work_struct pointer instead of context data 2006-11-22 14:55:48 +00:00
latency.c [PATCH] severing module.h->sched.h 2006-12-04 02:00:22 -05:00
lockdep.c [PATCH] lockdep: misc fixes in lockdep.c 2006-12-07 08:39:33 -08:00
lockdep_internals.h
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lockdep_proc.c
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module.c [PATCH] severing module.h->sched.h 2006-12-04 02:00:22 -05:00
mutex-debug.c
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mutex-debug.h
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mutex.c
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mutex.h
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nsproxy.c [PATCH] kernel/nsproxy.c: use kmemdup() 2006-10-20 10:26:44 -07:00
panic.c
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params.c
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pid.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
posix-cpu-timers.c [PATCH] posix-cpu-timers: prevent signal delivery starvation 2006-10-17 08:18:43 -07:00
posix-timers.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
printk.c [PATCH] Add printk_timed_ratelimit() 2006-11-03 12:27:58 -08:00
profile.c [PATCH] profile: fix uaccess handling 2006-12-07 08:39:33 -08:00
ptrace.c
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rcupdate.c
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rcutorture.c
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relay.c WorkStruct: make allyesconfig 2006-11-22 14:57:56 +00:00
resource.c
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rtmutex-debug.c
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rtmutex-debug.h
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rtmutex-tester.c [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
rtmutex.c
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rtmutex.h
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rtmutex_common.h
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rwsem.c
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sched.c [PATCH] SysRq-X: show blocked tasks 2006-12-07 08:39:32 -08:00
seccomp.c
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signal.c [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
softirq.c
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softlockup.c
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spinlock.c [PATCH] lockdep: spin_lock_irqsave_nested() 2006-11-25 13:28:34 -08:00
srcu.c
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stacktrace.c
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stop_machine.c
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sys.c WorkStruct: Pass the work_struct pointer instead of context data 2006-11-22 14:55:48 +00:00
sys_ni.c [PATCH] Create compat_sys_migrate_pages 2006-11-03 12:27:59 -08:00
sysctl.c [PATCH] new scheme to preempt swap token 2006-12-07 08:39:21 -08:00
taskstats.c [PATCH] taskstats: cleanup reply assembling 2006-12-07 08:39:34 -08:00
time.c
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timer.c
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tsacct.c [PATCH] xacct_add_tsk: fix pure theoretical ->mm use-after-free 2006-10-30 12:08:41 -08:00
uid16.c
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unwind.c [PATCH] x86-64: work around gcc4 issue with -Os in Dwarf2 stack unwind 2006-11-28 20:12:59 +01:00
user.c [PATCH] slab: remove kmem_cache_t 2006-12-07 08:39:25 -08:00
utsname.c
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wait.c
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workqueue.c [PATCH] Support for freezeable workqueues 2006-12-07 08:39:29 -08:00