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caif: don't assume iov_iter type

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The details of the iov_iter types are appropriately abstracted, so
there's no need to check for specific type fields. Just let the
abstractions handle it.

This is preparing for io_uring/net's io_send to utilize the more
efficient ITER_UBUF.

Signed-off-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Jens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/r/20230111184245.3784393-1-kbusch@meta.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Keith Busch 2023-01-11 10:42:45 -08:00 committed by Jakub Kicinski
parent e471d83e1f
commit c191751410
1 changed files with 0 additions and 4 deletions
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4
net/caif/caif_socket.c
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@ -533,10 +533,6 @@ static int caif_seqpkt_sendmsg(struct socket *sock, struct msghdr *msg,
if (msg->msg_namelen)
goto err;
ret = -EINVAL;
if (unlikely(msg->msg_iter.nr_segs == 0) ||
unlikely(msg->msg_iter.iov->iov_base == NULL))
goto err;
noblock = msg->msg_flags & MSG_DONTWAIT;
timeo = sock_sndtimeo(sk, noblock);