virtio_ring: add new function virtqueue_is_broken()
authorHeinz Graalfs <graalfs@linux.vnet.ibm.com>
Mon, 28 Oct 2013 23:10:19 +0000 (09:40 +1030)
committerRusty Russell <rusty@rustcorp.com.au>
Tue, 29 Oct 2013 00:58:17 +0000 (11:28 +1030)
commitb3b32c94133621c9ba7e4c8f29ec7533f2f4d8ec
treed24065656240c707ec76d6932e2f00554dc52713
parent53c18c990644174935ca93e50d7ebd05e04cb9ee
virtio_ring: add new function virtqueue_is_broken()

Add new function virtqueue_is_broken(). Callers of virtqueue_get_buf()
should check for a broken queue.

Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
drivers/virtio/virtio_ring.c
include/linux/virtio.h