linux-kernel - [PATCH 06/10] sysfs: prevent warning when only using binary attributes

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Date:	Sun, 14 Jul 2013 16:05:56 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	abbotti@....co.uk, oliver@...inagl.nl, linux@...ck-us.net,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH 06/10] sysfs: prevent warning when only using binary attributes

From: Oliver Schinagl <oliver@...inagl.nl>

When only using bin_attrs instead of attrs the kernel prints a warning
and refuses to create the sysfs entry. This fixes that.

Signed-off-by: Oliver Schinagl <oliver@...inagl.nl>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 fs/sysfs/group.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index e5719c60..09a1a25c 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -93,8 +93,8 @@ static int internal_create_group(struct kobject *kobj, int update,
 	/* Updates may happen before the object has been instantiated */
 	if (unlikely(update && !kobj->sd))
 		return -EINVAL;
-	if (!grp->attrs) {
-		WARN(1, "sysfs: attrs not set by subsystem for group: %s/%s\n",
+	if (!grp->attrs && !grp->bin_attrs) {
+		WARN(1, "sysfs: (bin_)attrs not set by subsystem for group: %s/%s\n",
 			kobj->name, grp->name ? "" : grp->name);
 		return -EINVAL;
 	}
-- 
1.8.3.rc0.20.gb99dd2e

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