[PATCH] zd1201: Possible NULL dereference

If we enter the if(!zd) and set free to 1, we dereference zd in the exit code. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
git-mirror · Oct 17, 2006 · 683f8c9 · 683f8c9
1 parent 7e4e8d9
commit 683f8c9
Showing 1 changed file with 2 additions and 4 deletions.
diff --git a/drivers/net/wireless/zd1201.c b/drivers/net/wireless/zd1201.c
@@ -193,10 +193,8 @@ static void zd1201_usbrx(struct urb *urb)
 	struct sk_buff *skb;
 	unsigned char type;
 
-	if (!zd) {
-		free = 1;
-		goto exit;
-	}
+	if (!zd)
+		return;
 
 	switch(urb->status) {
 		case -EILSEQ: