From: Dan Carpenter <dan.carpenter@oracle.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [PATCH] io_uring: remove unnecessary NULL checks
Date: Mon, 17 Feb 2020 17:39:45 +0300 [thread overview]
Message-ID: <20200217143945.ua4lawkg22ggfihr@kili.mountain> (raw)
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@oracle.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
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com>
To: Jens Axboe <axboe@kernel.dk>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>,
io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org
Subject: [PATCH] io_uring: remove unnecessary NULL checks
Date: Mon, 17 Feb 2020 14:39:45 +0000 [thread overview]
Message-ID: <20200217143945.ua4lawkg22ggfihr@kili.mountain> (raw)
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@oracle.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
next reply other threads:[~2020-02-17 14:39 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-17 14:39 Dan Carpenter [this message]
2020-02-17 14:39 ` [PATCH] io_uring: remove unnecessary NULL checks Dan Carpenter
2020-02-18 12:31 ` Stefano Garzarella
2020-02-18 12:31 ` Stefano Garzarella
2020-02-18 18:22 ` Jens Axboe
2020-02-18 18:22 ` Jens Axboe
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