Heinz Graalfs 40e4dc5301 virtio_console: verify if queue is broken after virtqueue_get_buf() ...

If virtqueue_get_buf() returns with a NULL pointer it should be verified
if the virtqueue is broken, in order to avoid loop calling cpu_relax().

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

2013-10-29 11:28:18 +10:30

55 KiB

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