From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: [PATCH] [SCSI] virtio-scsi: Initialize scatterlist structure. Date: Mon, 20 Aug 2012 16:05:45 +0200 Message-ID: <50324439.1000307@redhat.com> References: <1345471490-17289-1-git-send-email-rjones@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1345471490-17289-1-git-send-email-rjones@redhat.com> Sender: linux-kernel-owner@vger.kernel.org To: "Richard W.M. Jones" Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org List-Id: linux-scsi@vger.kernel.org Il 20/08/2012 16:04, Richard W.M. Jones ha scritto: > From: "Richard W.M. Jones" > > The sg struct is used without being initialized. > > https://bugzilla.redhat.com/show_bug.cgi?id=847548 > > Signed-off-by: Richard W.M. Jones > --- > drivers/scsi/virtio_scsi.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c > index c7030fb..8a66f83 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); > > Acked-by: Paolo Bonzini Paolo