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authorNamhyung Kim <namhyung@gmail.com>2010-10-27 15:34:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:03:13 -0700
commitd16e15f5b029fc7d03540ba0e5fb23b0abb0ebe0 (patch)
tree382a6779f4eee476d86538372f0f6586d64ddb8b
parent895021552d6ffe8a4d076cb5c4b1e700c33e96e1 (diff)
downloadop-kernel-dev-d16e15f5b029fc7d03540ba0e5fb23b0abb0ebe0.zip
op-kernel-dev-d16e15f5b029fc7d03540ba0e5fb23b0abb0ebe0.tar.gz
exit: add lock context annotation on find_new_reaper()
find_new_reaper() releases and regrabs tasklist_lock but was missing proper annotations. Add it. This remove following sparse warning: warning: context imbalance in 'find_new_reaper' - unexpected unlock Signed-off-by: Namhyung Kim <namhyung@gmail.com> Acked-by: Roland McGrath <roland@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--kernel/exit.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/exit.c b/kernel/exit.c
index 894179a..b194feb 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -703,6 +703,8 @@ static void exit_mm(struct task_struct * tsk)
* space.
*/
static struct task_struct *find_new_reaper(struct task_struct *father)
+ __releases(&tasklist_lock)
+ __acquires(&tasklist_lock)
{
struct pid_namespace *pid_ns = task_active_pid_ns(father);
struct task_struct *thread;
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