virtio_blk: verify if queue is broken after virtqueue_get_buf()

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In case virtqueue_get_buf() returned with a NULL pointer verify if the
virtqueue is broken in order to leave while loop.

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

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Heinz Graalfs 2013-10-29 09:40:30 +10:30 • committed by Rusty Russell

parent b3b32c9413

commit 7f03b17d5c

1 changed files with 2 additions and 0 deletions

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drivers/block/virtio_blk.c

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