skb is checked for null pointer at above code, so skb might be null.
eem_wrap uses it without checking null pointer, fix it by adding null
pointer check.
Signed-off-by: Peter Chen <peter.chen@xxxxxxx>
---
drivers/usb/gadget/function/u_ether.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/gadget/function/u_ether.c b/drivers/usb/gadget/function/u_ether.c
index 5f562c1..2bc8823 100644
--- a/drivers/usb/gadget/function/u_ether.c
+++ b/drivers/usb/gadget/function/u_ether.c
@@ -549,7 +549,7 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb,
unsigned long flags;
spin_lock_irqsave(&dev->lock, flags);
- if (dev->port_usb)
+ if (dev->port_usb && skb)
skb = dev->wrap(dev->port_usb, skb);
spin_unlock_irqrestore(&dev->lock, flags);
if (!skb) {
--
1.9.1
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