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io_uring: set msg_name on msg fixup

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io_setup_async_msg() should fully prepare io_async_msghdr, let it also
handle assigning msg_name and don't hand code it in [send,recv]msg().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2021-02-05 00:57:58 +00:00 committed by Jens Axboe
parent 5280f7e530
commit 2a7808024b
1 changed files with 1 additions and 2 deletions
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3
fs/io_uring.c
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@ -4558,6 +4558,7 @@ static int io_setup_async_msg(struct io_kiocb *req,
async_msg = req->async_data;
req->flags |= REQ_F_NEED_CLEANUP;
memcpy(async_msg, kmsg, sizeof(*kmsg));
async_msg->msg.msg_name = &async_msg->addr;
return -EAGAIN;
}
@ -4610,7 +4611,6 @@ static int io_sendmsg(struct io_kiocb *req, bool force_nonblock,
if (req->async_data) {
kmsg = req->async_data;
kmsg->msg.msg_name = &kmsg->addr;
/* if iov is set, it's allocated already */
if (!kmsg->iov)
kmsg->iov = kmsg->fast_iov;
@ -4839,7 +4839,6 @@ static int io_recvmsg(struct io_kiocb *req, bool force_nonblock,
if (req->async_data) {
kmsg = req->async_data;
kmsg->msg.msg_name = &kmsg->addr;
/* if iov is set, it's allocated already */
if (!kmsg->iov)
kmsg->iov = kmsg->fast_iov;