[ 24/76] SCSI: virtio-scsi: initialize scatterlist structure

Greg Kroah-Hartman
2012-10-19T03:04:11Z

From: "Richard W.M. Jones" <rjones@redhat.com>

commit 2e9c9dfde00a6466441e93033cf2c37f720bdacf upstream.

The sg struct is used without being initialized, which breaks
when CONFIG_DEBUG_SG is enabled.

Signed-off-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/scsi/virtio_scsi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -219,7 +219,7 @@ static int virtscsi_kick_event(struct vi
struct scatterlist sg;
unsigned long flags;

- sg_set_buf(&sg, &event_node->event, sizeof(struct virtio_scsi_event));
+ sg_init_one(&sg, &event_node->event, sizeof(struct virtio_scsi_event));

spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags);