From 6b754c8b912a164fbb15b7b839d51709c3d9ee6f Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Thu, 16 Jul 2020 23:28:00 +0300 Subject: io_uring: remove extra checks in send/recv With the return on a bad socket, kmsg is always non-null by the end of the function, prune left extra checks and initialisations. Signed-off-by: Pavel Begunkov Signed-off-by: Jens Axboe --- fs/io_uring.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'fs/io_uring.c') diff --git a/fs/io_uring.c b/fs/io_uring.c index 264b1e5e2d54..ac3c16ea7d23 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -3916,7 +3916,7 @@ static int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) static int io_sendmsg(struct io_kiocb *req, bool force_nonblock, struct io_comp_state *cs) { - struct io_async_msghdr iomsg, *kmsg = NULL; + struct io_async_msghdr iomsg, *kmsg; struct socket *sock; unsigned flags; int ret; @@ -3951,7 +3951,7 @@ static int io_sendmsg(struct io_kiocb *req, bool force_nonblock, if (ret == -ERESTARTSYS) ret = -EINTR; - if (kmsg && kmsg->iov != kmsg->fast_iov) + if (kmsg->iov != kmsg->fast_iov) kfree(kmsg->iov); req->flags &= ~REQ_F_NEED_CLEANUP; if (ret < 0) @@ -4147,7 +4147,7 @@ static int io_recvmsg_prep(struct io_kiocb *req, static int io_recvmsg(struct io_kiocb *req, bool force_nonblock, struct io_comp_state *cs) { - struct io_async_msghdr iomsg, *kmsg = NULL; + struct io_async_msghdr iomsg, *kmsg; struct socket *sock; struct io_buffer *kbuf; unsigned flags; @@ -4199,7 +4199,7 @@ static int io_recvmsg(struct io_kiocb *req, bool force_nonblock, if (kbuf) kfree(kbuf); - if (kmsg && kmsg->iov != kmsg->fast_iov) + if (kmsg->iov != kmsg->fast_iov) kfree(kmsg->iov); req->flags &= ~REQ_F_NEED_CLEANUP; @@ -4212,7 +4212,7 @@ static int io_recvmsg(struct io_kiocb *req, bool force_nonblock, static int io_recv(struct io_kiocb *req, bool force_nonblock, struct io_comp_state *cs) { - struct io_buffer *kbuf = NULL; + struct io_buffer *kbuf; struct io_sr_msg *sr = &req->sr_msg; struct msghdr msg; void __user *buf = sr->buf; -- cgit v1.2.3