linux-kernel - [PATCH] sysfs: Use local reference in compat_only_sysfs_link_entry_to

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Message-Id: <20210714151559.2532572-1-geert@linux-m68k.org>
Date:   Wed, 14 Jul 2021 17:15:59 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J . Wysocki" <rafael@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH] sysfs: Use local reference in compat_only_sysfs_link_entry_to_kobj()

As we have just obtained target_kobj->sd into a local variable, and
incremented the object's reference count, it is better to use the local
variable instead of the original reference.

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
 fs/sysfs/group.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index 64e6a6698935e925..f29d6200452725d4 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -446,7 +446,7 @@ int compat_only_sysfs_link_entry_to_kobj(struct kobject *kobj,
 	if (!target)
 		return -ENOENT;
 
-	entry = kernfs_find_and_get(target_kobj->sd, target_name);
+	entry = kernfs_find_and_get(target, target_name);
 	if (!entry) {
 		kernfs_put(target);
 		return -ENOENT;
-- 
2.25.1