[Patch] Possible dereference in drivers/net/wireless/zd1201.c

hi,

if we enter the if(!zd) and set free to 1,
we dereference zd in the exit code.

Signed-off-by: Eric Sesterhenn <[email protected]>

--- linux-2.6.18-git16/drivers/net/wireless/zd1201.c.orig	2006-10-01 22:21:59.000000000 +0200
+++ linux-2.6.18-git16/drivers/net/wireless/zd1201.c	2006-10-01 22:22:59.000000000 +0200
@@ -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:


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