linux-kernel - [PATCH] io_uring: remove unnecessary NULL checks

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Date:   Mon, 17 Feb 2020 17:39:45 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Alexander Viro <viro@...iv.linux.org.uk>, io-uring@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] io_uring: remove unnecessary NULL checks

The "kmsg" pointer can't be NULL and we have already dereferenced it so
a check here would be useless.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
 fs/io_uring.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 72bc378edebc..e9f339453ddb 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -3065,7 +3065,7 @@ static int io_sendmsg(struct io_kiocb *req, struct io_kiocb **nxt,
 			if (req->io)
 				return -EAGAIN;
 			if (io_alloc_async_ctx(req)) {
-				if (kmsg && kmsg->iov != kmsg->fast_iov)
+				if (kmsg->iov != kmsg->fast_iov)
 					kfree(kmsg->iov);
 				return -ENOMEM;
 			}
@@ -3219,7 +3219,7 @@ static int io_recvmsg(struct io_kiocb *req, struct io_kiocb **nxt,
 			if (req->io)
 				return -EAGAIN;
 			if (io_alloc_async_ctx(req)) {
-				if (kmsg && kmsg->iov != kmsg->fast_iov)
+				if (kmsg->iov != kmsg->fast_iov)
 					kfree(kmsg->iov);
 				return -ENOMEM;
 			}
-- 
2.11.0