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| author | Eric Dumazet <edumazet@google.com> | 2020-11-21 22:16:58 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-11-22 10:48:22 -0800 |
| commit | 450677dcb0cce5cb751538360b7196c28b733f3e (patch) | |
| tree | 327fe48fc8f1a993669f3b3d86ac0cda59063e85 /mm/madvise.c | |
| parent | a349e4c659609fd20e4beea89e5c4a4038e33a95 (diff) | |
| download | linux-450677dcb0cce5cb751538360b7196c28b733f3e.tar.gz linux-450677dcb0cce5cb751538360b7196c28b733f3e.tar.bz2 linux-450677dcb0cce5cb751538360b7196c28b733f3e.zip | |
mm/madvise: fix memory leak from process_madvise
The early return in process_madvise() will produce a memory leak.
Fix it.
Fixes: ecb8ac8b1f14 ("mm/madvise: introduce process_madvise() syscall: an external memory hinting API")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Link: https://lkml.kernel.org/r/20201116155132.GA3805951@google.com
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/madvise.c')
| -rw-r--r-- | mm/madvise.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/mm/madvise.c b/mm/madvise.c index 416a56b8e757..7e773f949ef9 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -1231,8 +1231,6 @@ SYSCALL_DEFINE5(process_madvise, int, pidfd, const struct iovec __user *, vec, ret = total_len - iov_iter_count(&iter); mmput(mm); - return ret; - release_task: put_task_struct(task); put_pid: |