linux-kernel - [PATCH] gfs2: Remove unneeded return variable

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Date:   Tue,  2 Mar 2021 17:15:26 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     rpeterso@...hat.com
Cc:     agruenba@...hat.com, cluster-devel@...hat.com,
        linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] gfs2: Remove unneeded return variable

This patch removes unneeded return variables, using only
'0' instead.
It fixes the following warning detected by coccinelle:
./fs/gfs2/super.c:592:5-10: Unneeded variable: "error". Return "0" on
line 628

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 fs/gfs2/super.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 861ed5f..fe2dae4 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -589,7 +589,6 @@ static void gfs2_dirty_inode(struct inode *inode, int flags)
 
 int gfs2_make_fs_ro(struct gfs2_sbd *sdp)
 {
-	int error = 0;
 	int log_write_allowed = test_bit(SDF_JOURNAL_LIVE, &sdp->sd_flags);
 
 	gfs2_flush_delete_work(sdp);
@@ -625,7 +624,7 @@ int gfs2_make_fs_ro(struct gfs2_sbd *sdp)
 	if (!log_write_allowed)
 		sdp->sd_vfs->s_flags |= SB_RDONLY;
 
-	return error;
+	return 0;
 }
 
 /**
-- 
1.8.3.1