Messages in this thread Patch in this message | | | From | Paolo Bonzini <> | Subject | [PATCH for 3.6 2/3] virtio-scsi: initialize scatterlist structure for events | Date | Tue, 28 Aug 2012 13:59:13 +0200 |
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From: Richard W.M. Jones <rjones@redhat.com>
The sg struct for events is used without being initialized. This triggers a BUG_ON if CONFIG_DEBUG_SG is defined.
This was reported at https://bugzilla.redhat.com/show_bug.cgi?id=847548.
Signed-off-by: Richard W.M. Jones <rjones@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> --- drivers/scsi/virtio_scsi.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 3e79a2f..7554d78 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -219,7 +219,7 @@ static int virtscsi_kick_event(struct virtio_scsi *vscsi, 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); -- 1.7.1
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