netdev - [PATCH] rfkill: Fix check for correct rfkill allocation

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Date:	Sat, 19 May 2007 14:08:43 +0200
From:	Ivo van Doorn <ivdoorn@...il.com>
To:	davem@...emloft.net
Cc:	Eric Sesterhenn / Snakebyte <snakebyte@....de>,
	Dmitry Torokhov <dtor@...ightbb.com>, netdev@...r.kernel.org,
	akpm@...ux-foundation.org
Subject: [PATCH] rfkill: Fix check for correct rfkill allocation

coverity has spotted a bug in rfkill.c (bug id #1627),
in rfkill_allocate() NULL was returns if the kzalloc() works,
and deref the NULL pointer if it fails,

Signed-off-by: Ivo van Doorn <IvDoorn@...il.com>

---

diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c
index a973603..f3986d4 100644
--- a/net/rfkill/rfkill.c
+++ b/net/rfkill/rfkill.c
@@ -296,7 +296,7 @@ struct rfkill *rfkill_allocate(struct device *parent, enum rfkill_type type)
 	struct device *dev;
 
 	rfkill = kzalloc(sizeof(struct rfkill), GFP_KERNEL);
-	if (rfkill)
+	if (!rfkill)
 		return NULL;
 
 	mutex_init(&rfkill->mutex);
-
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