linux-kernel - [PATCH] gfs2: Set error on error path

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Date:   Fri, 29 Sep 2023 11:44:40 +0530
From:   Deepak R Varma <drv@...lo.com>
To:     Bob Peterson <rpeterso@...hat.com>,
        Andreas Gruenbacher <agruenba@...hat.com>,
        gfs2@...ts.linux.dev, linux-kernel@...r.kernel.org
Cc:     linux-kernel-mentees@...ts.linuxfoundation.org,
        Dan Carpenter <error27@...il.com>,
        Deepak R Varma <drv@...lo.com>
Subject: [PATCH] gfs2: Set error on error path

Set the error variable inside the error path on failure. Saves
unnecessary variable assignment during normal execution.

Signed-off-by: Deepak R Varma <drv@...lo.com>
---
 fs/gfs2/bmap.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index ef7017fb6951..93bd8ea34444 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -162,9 +162,10 @@ int gfs2_unstuff_dinode(struct gfs2_inode *ip)
 
 	down_write(&ip->i_rw_mutex);
 	page = grab_cache_page(inode->i_mapping, 0);
-	error = -ENOMEM;
-	if (!page)
+	if (!page) {
+		error = -ENOMEM;
 		goto out;
+	}
 	error = __gfs2_unstuff_inode(ip, page);
 	unlock_page(page);
 	put_page(page);
-- 
2.39.2