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| author | Pavel Begunkov <asml.silence@gmail.com> | 2020-12-06 22:22:45 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-12-09 12:04:02 -0700 |
| commit | 59850d226e4907a6f37c1d2fe5ba97546a8691a4 (patch) | |
| tree | ab4b0f5b0a36d9ea12090bad43cb6ee973c612bb /fs/pipe.c | |
| parent | 634578f800652035debba3098d8ab0d21af7c7a5 (diff) | |
| download | linux-stable-59850d226e4907a6f37c1d2fe5ba97546a8691a4.tar.gz linux-stable-59850d226e4907a6f37c1d2fe5ba97546a8691a4.tar.bz2 linux-stable-59850d226e4907a6f37c1d2fe5ba97546a8691a4.zip | |
io_uring: fix io_cqring_events()'s noflush
Checking !list_empty(&ctx->cq_overflow_list) around noflush in
io_cqring_events() is racy, because if it fails but a request overflowed
just after that, io_cqring_overflow_flush() still will be called.
Remove the second check, it shouldn't be a problem for performance,
because there is cq_check_overflow bit check just above.
Cc: <stable@vger.kernel.org> # 5.5+
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/pipe.c')
0 files changed, 0 insertions, 0 deletions