commit
b5eeed8cb6097c8ea660b6598d36fdbb94065a22 upstream.
There is a small chance that pRD->pRDInfo->skb could go NULL
while the interrupt is processing.
Put NULL check on loop to break out.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
[bwh: Backported to 3.2: adjust context, indentation]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
// DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pDevice->pCurrRD = %x, works = %d\n", pRD, works);
if (works++>15)
break;
+
+ if (!pRD->pRDInfo->skb)
+ break;
+
if (device_receive_frame(pDevice, pRD)) {
if (!device_alloc_rx_buf(pDevice,pRD)) {
DBG_PRT(MSG_LEVEL_ERR, KERN_ERR