asix usb ethernet:

 avoid kernel panic when alloc skb fail in lowmemory case

diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
old mode 100644 (file)
new mode 100755 (executable)
index 577c72d..97a93e8
--- a/drivers/net/usb/asix_common.c
+++ b/drivers/net/usb/asix_common.c
@@ -111,6 +111,12 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
                        rx->size = skb->len - offset;
                }
 
+               if (!rx->ax_skb) {
+                       rx->size = 0;
+                       netdev_err(dev->net, "asix_rx_fixup_internal Bad ax_skb buf.\n");
+                       return 0;
+               }
+
                data = skb_put(rx->ax_skb, rx->size);
                memcpy(data, skb->data + offset, rx->size);
                if (!remaining)