Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-24 13:11:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

vhost/scsi: Check LUN structure byte 0 is set to 1, per spec

Browse Source 
The virtio spec requires byte 0 of the virtio-scsi LUN structure
to be '1'.

Signed-off-by: Venkatesh Srinivas <venkateshs@google.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Venkatesh Srinivas 2014-02-24 14:13:32 -08:00 committed by Nicholas Bellinger
parent 6f58c780e5
commit 7fe412d07d
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/vhost/scsi.c
View File

@ -1001,6 +1001,12 @@ vhost_scsi_handle_vq(struct vhost_scsi *vs, struct vhost_virtqueue *vq)
break;
}
/* virtio-scsi spec requires byte 0 of the lun to be 1 */
if (unlikely(v_req.lun[0] != 1)) {
vhost_scsi_send_bad_target(vs, vq, head, out);
continue;
}
/* Extract the tpgt */
target = v_req.lun[1];
tpg = ACCESS_ONCE(vs_tpg[target]);