linux-kernel - [PATCH linux-next] md: Remove redundant assignments

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Message-Id: <20211104061916.2218-1-luo.penghao@zte.com.cn>
Date:   Thu,  4 Nov 2021 06:19:16 +0000
From:   cgel.zte@...il.com
To:     Song Liu <song@...nel.org>
Cc:     linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org,
        luo penghao <luo.penghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] md: Remove redundant assignments

From: luo penghao <luo.penghao@....com.cn>

The assignment of err will be overwritten next, so this statement
should be deleted.

The clang_analyzer complains as follows:

drivers/md/md-autodetect.c:178:2: warning:

Value stored to 'err' is never read

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: luo penghao <luo.penghao@....com.cn>
---
 drivers/md/md-autodetect.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/md/md-autodetect.c b/drivers/md/md-autodetect.c
index 2cf9737..ab425d5 100644
--- a/drivers/md/md-autodetect.c
+++ b/drivers/md/md-autodetect.c
@@ -175,7 +175,6 @@ static void __init md_setup_drive(struct md_setup_args *args)
 		return;
 	}
 
-	err = -EIO;
 	if (WARN(bdev->bd_disk->fops != &md_fops,
 			"Opening block device %x resulted in non-md device\n",
 			mdev))
-- 
2.15.2