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io_uring/net: initialize struct msghdr more sanely for io_recv()

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We only need to clear the input fields on the first invocation, not
when potentially doing a retry.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2023-05-17 12:15:00 -06:00
parent 6e76ac5958
commit bf34e69793
1 changed files with 8 additions and 7 deletions
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15
io_uring/net.c
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@ -860,6 +860,14 @@ int io_recv(struct io_kiocb *req, unsigned int issue_flags)
if (unlikely(!sock))
return -ENOTSOCK;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_control = NULL;
msg.msg_get_inq = 1;
msg.msg_controllen = 0;
msg.msg_iocb = NULL;
msg.msg_ubuf = NULL;
retry_multishot:
if (io_do_buffer_select(req)) {
void __user *buf;
@ -874,14 +882,7 @@ retry_multishot:
if (unlikely(ret))
goto out_free;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_control = NULL;
msg.msg_get_inq = 1;
msg.msg_flags = 0;
msg.msg_controllen = 0;
msg.msg_iocb = NULL;
msg.msg_ubuf = NULL;
flags = sr->msg_flags;
if (force_nonblock)