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req->error only used for iopoll 

No need to set it in io_poll_add; io_poll_complete doesn't use it to set
the result in the CQE.

Signed-off-by: Stefan Bühler <source@stbuehler.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Stefan Bühler 2019-05-01 13:53:36 +02:00 committed by Jens Axboe
parent 9b402849e8
commit 5dcf877fb1
1 changed files with 1 additions and 2 deletions
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3
fs/io_uring.c
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@ -333,7 +333,7 @@ struct io_kiocb {
#define REQ_F_IO_DRAIN 32 /* drain existing IO first */
#define REQ_F_IO_DRAINED 64 /* drain done */
u64 user_data;
u32 error;
u32 error; /* iopoll result from callback */
u32 sequence;
struct work_struct work;
@ -1520,7 +1520,6 @@ static int io_poll_add(struct io_kiocb *req, const struct io_uring_sqe *sqe)
spin_unlock(&poll->head->lock);
}
if (mask) { /* no async, we'd stolen it */
req->error = mangle_poll(mask);
ipt.error = 0;
io_poll_complete(ctx, req, mask);
}