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[SCSI] virtio-scsi: unlock during kick
[profile/ivi/kernel-x86-ivi.git]
/
drivers
/
scsi
/
virtio_scsi.c
diff --git
a/drivers/scsi/virtio_scsi.c
b/drivers/scsi/virtio_scsi.c
index
1b38431
..
b0ad5aa
100644
(file)
--- a/
drivers/scsi/virtio_scsi.c
+++ b/
drivers/scsi/virtio_scsi.c
@@
-264,9
+264,11
@@
static int virtscsi_kick_cmd(struct virtio_scsi *vscsi, struct virtqueue *vq,
ret = virtqueue_add_buf(vq, vscsi->sg, out_num, in_num, cmd, gfp);
if (ret >= 0)
-
virtqueue_kick
(vq);
+
ret = virtqueue_kick_prepare
(vq);
spin_unlock_irqrestore(&vscsi->vq_lock, flags);
+ if (ret > 0)
+ virtqueue_notify(vq);
return ret;
}