tree c41345c6de6ad5b4b4d7071aa46a9e27a773247c
parent 886c35fbcf6fb2eee15687efc2d64d99b6ad9a4a
author Rusty Russell <rusty@rustcorp.com.au> 1209783043 -0500
committer Rusty Russell <rusty@rustcorp.com.au> 1209729043 +1000

virtio: ignore corrupted virtqueues rather than spinning.

A corrupt virtqueue (caused by the other end screwing up) can have
strange results such as a driver spinning: just bail when we try to
get a buffer from a known-broken queue.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>