tree 0164b14f46fb84a8508445611edbbcadc377096e
parent 40e4dc530118dbb79e270d5554ac8415588378d2
author Heinz Graalfs <graalfs@linux.vnet.ibm.com> 1383001847 +1030
committer Rusty Russell <rusty@rustcorp.com.au> 1383008299 +1030

virtio_net: verify if queue is broken after virtqueue_get_buf()

If a virtqueue_get_buf() call returns a NULL pointer a possibly endless while
loop should be avoided by checking for a broken virtqueue.

Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>