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virtio: bugfixes

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This includes a bugfix for virtio 9p fs.
 It also fixes hybernation for s390 guests with virtio devices.
 
 Signed-off-by: Michael S. Tsirkin <[email protected]>
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Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

Pull virtio fixes from Michael Tsirkin:
 "This includes a bugfix for virtio 9p fs. It also fixes hybernation for
  s390 guests with virtio devices"

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
  virtio/s390: implement PM operations for virtio_ccw
  9p/trans_virtio: discard zero-length reply
This commit is contained in:
Linus Torvalds 2018-02-15 14:29:27 -08:00
commit 2439f9766d
2 changed files with 31 additions and 1 deletions
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3
net/9p/trans_virtio.c
View file

@ -160,7 +160,8 @@ static void req_done(struct virtqueue *vq)
spin_unlock_irqrestore(&chan->lock, flags);
/* Wakeup if anyone waiting for VirtIO ring space. */
wake_up(chan->vc_wq);
p9_client_cb(chan->client, req, REQ_STATUS_RCVD);
if (len)
p9_client_cb(chan->client, req, REQ_STATUS_RCVD);
}
}