linux-kernel - [patch] c2port: class_create() returns an ERR

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Message-ID: <20120208092640.GE6554@elgon.mountain>
Date:	Wed, 8 Feb 2012 12:26:41 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	linux-kernel@...r.kernel.org, Rodolfo Giometti <giometti@...ux.it>
Cc:	kernel-janitors@...r.kernel.org
Subject: [patch] c2port: class_create() returns an ERR_PTR

class_create() doesn't return a NULL, it only returns ERR_PTRs.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c
index 19fc7c1..f428d86 100644
--- a/drivers/misc/c2port/core.c
+++ b/drivers/misc/c2port/core.c
@@ -984,9 +984,9 @@ static int __init c2port_init(void)
 		" - (C) 2007 Rodolfo Giometti\n");
 
 	c2port_class = class_create(THIS_MODULE, "c2port");
-	if (!c2port_class) {
+	if (IS_ERR(c2port_class)) {
 		printk(KERN_ERR "c2port: failed to allocate class\n");
-		return -ENOMEM;
+		return PTR_ERR(c2port_class);
 	}
 	c2port_class->dev_attrs = c2port_attrs;
 
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