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authorPavel Begunkov <asml.silence@gmail.com>2022-11-30 15:21:54 +0000
committerJens Axboe <axboe@kernel.dk>2022-11-30 10:27:22 -0700
commitc3bfb57ea7011e0c04e4b7f28cb357a551b1efb9 (patch)
treec77769f88806e45f8dd592d6780987ecd458e025 /io_uring
parent047b6aef0966f9863e1940b57c256ebbb465a6b5 (diff)
io_uring: improve poll warning handling
Don't try to complete requests if their refs are broken and we've got a warning, it's much better to drop them and potentially leaking than double freeing. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/31edf9f96f05d03ab62c114508a231a2dce434cb.1669821213.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
-rw-r--r--io_uring/poll.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/poll.c b/io_uring/poll.c
index ada0017e3d88..8f16d2a48ff8 100644
--- a/io_uring/poll.c
+++ b/io_uring/poll.c
@@ -249,7 +249,7 @@ static int io_poll_check_events(struct io_kiocb *req, bool *locked)
if (unlikely(v != 1)) {
/* tw should be the owner and so have some refs */
if (WARN_ON_ONCE(!(v & IO_POLL_REF_MASK)))
- return IOU_POLL_DONE;
+ return IOU_POLL_NO_ACTION;
if (v & IO_POLL_CANCEL_FLAG)
return -ECANCELED;
/*