linux-kernel - [PATCH] io_uring: Remove redundant NULL check

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Date:   Mon, 22 Mar 2021 17:31:59 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     axboe@...nel.dk
Cc:     asml.silence@...il.com, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] io_uring: Remove redundant NULL check

Fix the following coccicheck warnings:

./fs/io_uring.c:5989:4-9: WARNING: NULL check before some freeing
functions is not needed.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 fs/io_uring.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 543551d..35e95ba 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -6001,8 +6001,7 @@ static void __io_clean_op(struct io_kiocb *req)
 		case IORING_OP_WRITE_FIXED:
 		case IORING_OP_WRITE: {
 			struct io_async_rw *io = req->async_data;
-			if (io->free_iovec)
-				kfree(io->free_iovec);
+			kfree(io->free_iovec);
 			break;
 			}
 		case IORING_OP_RECVMSG:
-- 
1.8.3.1