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io_uring/rw: fix error'ed retry return values

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Kernel test robot reports that we test negativity of an unsigned in
io_fixup_rw_res() after a recent change, which masks error codes and
messes up the return value in case I/O is re-retried and failed with
an error.

Fixes: 4d9cb92ca4 ("io_uring/rw: fix short rw error handling")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9754a0970af1861e7865f9014f735c70dc60bf79.1663071587.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2022-09-13 13:21:23 +01:00 committed by Jens Axboe
parent 4d9cb92ca4
commit 62bb0647b1
1 changed files with 1 additions and 1 deletions
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2
io_uring/rw.c
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@ -206,7 +206,7 @@ static bool __io_complete_rw_common(struct io_kiocb *req, long res)
return false;
}
static inline unsigned io_fixup_rw_res(struct io_kiocb *req, unsigned res)
static inline int io_fixup_rw_res(struct io_kiocb *req, long res)
{
struct io_async_rw *io = req->async_data;