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android: binder: Check for errors in binder_alloc_shrinker_init().

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Both list_lru_init() and register_shrinker() might return an error.

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Sherry Yang <sherryy@android.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tetsuo Handa
2017-11-29 22:29:47 +09:00
committed by Greg Kroah-Hartman
parent 22ec1a2aea
commit 533dfb250d
3 changed files with 13 additions and 5 deletions
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12
drivers/android/binder_alloc.c
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@@ -1006,8 +1006,14 @@ void binder_alloc_init(struct binder_alloc *alloc)
INIT_LIST_HEAD(&alloc->buffers);
}
void binder_alloc_shrinker_init(void)
int binder_alloc_shrinker_init(void)
{
list_lru_init(&binder_alloc_lru);
register_shrinker(&binder_shrinker);
int ret = list_lru_init(&binder_alloc_lru);
if (ret == 0) {
ret = register_shrinker(&binder_shrinker);
if (ret)
list_lru_destroy(&binder_alloc_lru);
}
return ret;
}