[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>
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@ -193,10 +193,8 @@ static void zd1201_usbrx(struct urb *urb)
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struct sk_buff *skb;
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unsigned char type;
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if (!zd) {
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free = 1;
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goto exit;
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}
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if (!zd)
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return;
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switch(urb->status) {
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case -EILSEQ:
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