From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Subject: mm, oom: fix uninitialized ret in task_will_free_mem()
mm/oom_kill.c: In function `task_will_free_mem':
mm/oom_kill.c:767: warning: `ret' may be used uninitialized in this function
If __task_will_free_mem() is never called inside the for_each_process()
loop, ret will not be initialized.
Fixes: 1af8bb43269563e4 ("mm, oom: fortify task_will_free_mem()")
Link: http://lkml.kernel.org/r/1470255599-24841-1-git-send-email-geert@xxxxxxxxxxxxxx
Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
Acked-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
Acked-by: Michal Hocko <mhocko@xxxxxxxx>
Cc: Oleg Nesterov <oleg@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/oom_kill.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/oom_kill.c~mm-oom-fix-uninitialized-ret-in-task_will_free_mem mm/oom_kill.c
--- a/mm/oom_kill.c~mm-oom-fix-uninitialized-ret-in-task_will_free_mem
+++ a/mm/oom_kill.c
@@ -764,7 +764,7 @@ bool task_will_free_mem(struct task_stru
{
struct mm_struct *mm = task->mm;
struct task_struct *p;
- bool ret;
+ bool ret = true;
/*
* Skip tasks without mm because it might have passed its exit_mm and
_
--
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