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| author | Pavel Begunkov <asml.silence@gmail.com> | 2020-07-16 23:28:00 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-07-24 13:00:45 -0600 |
| commit | 6b754c8b912a164fbb15b7b839d51709c3d9ee6f (patch) | |
| tree | 9974c4940f0f00bfee24f609848ee79a16827d4a /fs/io_uring.c | |
| parent | 7a7cacba8b4560403615b04d57bdcd1f93f90f10 (diff) | |
| download | lwn-6b754c8b912a164fbb15b7b839d51709c3d9ee6f.tar.gz lwn-6b754c8b912a164fbb15b7b839d51709c3d9ee6f.zip | |
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 <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io_uring.c')
| -rw-r--r-- | fs/io_uring.c | 10 |
1 files changed, 5 insertions, 5 deletions
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; |