linux-kernel - [PATCH] virtio_console: correct error message on failure of debugfs_create

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Message-Id: <1356030701-16284-13-git-send-email-sasha.levin@oracle.com>
Date:	Thu, 20 Dec 2012 14:11:21 -0500
From:	Sasha Levin <sasha.levin@...cle.com>
To:	Amit Shah <amit.shah@...hat.com>, Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org
Cc:	Sasha Levin <sasha.levin@...cle.com>
Subject: [PATCH] virtio_console: correct error message on failure of debugfs_create_dir

debugfs_create_dir() returns NULL if it fails, there's little point in
calling PTR_ERR on it.

Signed-off-by: Sasha Levin <sasha.levin@...cle.com>
---
 drivers/char/virtio_console.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index c594cb1..490b70e 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -2212,10 +2212,9 @@ static int __init init(void)
 	}
 
 	pdrvdata.debugfs_dir = debugfs_create_dir("virtio-ports", NULL);
-	if (!pdrvdata.debugfs_dir) {
-		pr_warning("Error %ld creating debugfs dir for virtio-ports\n",
-			   PTR_ERR(pdrvdata.debugfs_dir));
-	}
+	if (!pdrvdata.debugfs_dir)
+		pr_warn("Error creating debugfs dir for virtio-ports\n");
+
 	INIT_LIST_HEAD(&pdrvdata.consoles);
 	INIT_LIST_HEAD(&pdrvdata.portdevs);
 
-- 
1.8.0

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