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io_uring: fix drain alloc fail return code 

After a recent change io_drain_req() started to fail requests with
result=0 in case of allocation failure, where it should be and have
been -ENOMEM.

Fixes: 76cc33d791 ("io_uring: refactor io_req_defer()")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/e068110ac4293e0c56cfc4d280d0f22b9303ec08.1625682153.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-07-07 19:24:24 +01:00 committed by Jens Axboe
parent e09ee51060
commit c32aace0cf
1 changed files with 1 additions and 1 deletions
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2
fs/io_uring.c
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@ -6019,7 +6019,7 @@ static bool io_drain_req(struct io_kiocb *req)
io_prep_async_link(req);
de = kmalloc(sizeof(*de), GFP_KERNEL);
if (!de) {
io_req_complete_failed(req, ret);
io_req_complete_failed(req, -ENOMEM);
return true;
}