linux-kernel - [PATCH] io_uring: remove unneeded variable 'ret'

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Date:   Tue,  9 Mar 2021 14:30:41 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     axboe@...nel.dk
Cc:     asml.silence@...il.com, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] io_uring: remove unneeded variable 'ret'

Fix the following coccicheck warning:
./fs/io_uring.c:8984:5-8: Unneeded variable: "ret". Return "0" on line
8998

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...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 92c25b5..387dbb7 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -8981,7 +8981,6 @@ static unsigned long io_uring_nommu_get_unmapped_area(struct file *file,
 
 static int io_sqpoll_wait_sq(struct io_ring_ctx *ctx)
 {
-	int ret = 0;
 	DEFINE_WAIT(wait);
 
 	do {
@@ -8995,7 +8994,7 @@ static int io_sqpoll_wait_sq(struct io_ring_ctx *ctx)
 	} while (!signal_pending(current));
 
 	finish_wait(&ctx->sqo_sq_wait, &wait);
-	return ret;
+	return 0;
 }
 
 static int io_get_ext_arg(unsigned flags, const void __user *argp, size_t *argsz,
-- 
1.8.3.1