Commit d1f6222c authored by Dylan Yudaken's avatar Dylan Yudaken Committed by Jens Axboe
Browse files

io_uring: fix io_recvmsg_prep_multishot sparse warnings 



Fix casts missing the __user parts. This seemed to only cause errors on
the alpha build, or if checked with sparse, but it was definitely an
oversight.

Reported-by: default avatarkernel test robot <lkp@intel.com>
Fixes: 9bb66906 ("io_uring: support multishot in recvmsg")
Signed-off-by: default avatarDylan Yudaken <dylany@fb.com>
Link: https://lore.kernel.org/r/20220805115450.3921352-1-dylany@fb.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 4a933e62

io_uring/net.c

+2 −2
Original line number Diff line number Diff line
@@ -576,12 +576,12 @@ static int io_recvmsg_prep_multishot(struct io_async_msghdr *kmsg, 
	if (kmsg->controllen) {

		unsigned long control = ubuf + hdr - kmsg->controllen;



		kmsg->msg.msg_control_user = (void *) control;

		kmsg->msg.msg_control_user = (void __user *) control;

		kmsg->msg.msg_controllen = kmsg->controllen;

	}



	sr->buf = *buf; /* stash for later copy */

	*buf = (void *) (ubuf + hdr);

	*buf = (void __user *) (ubuf + hdr);

	kmsg->payloadlen = *len = *len - hdr;

	return 0;

}