io_uring: fix refcounting with batched allocations at OOM

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In case of out of memory the second argument of percpu_ref_put_many() in
io_submit_sqes() may evaluate into "nr - (-EAGAIN)", that is clearly
wrong.

Fixes: 2b85edfc0c ("io_uring: batch getting pcpu references")
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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Pavel Begunkov 2020-01-25 22:34:01 +03:00 • committed by Jens Axboe

parent 8cdf2193a3

commit 9466f43741

1 changed files with 5 additions and 2 deletions

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fs/io_uring.c

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