diff options
Diffstat (limited to 'drivers/vhost/scsi.c')
| -rw-r--r-- | drivers/vhost/scsi.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 7db9bbdfb038..718fa4e0b31e 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -1029,20 +1029,23 @@ vhost_scsi_get_req(struct vhost_virtqueue *vq, struct vhost_scsi_ctx *vc, /* virtio-scsi spec requires byte 0 of the lun to be 1 */ vq_err(vq, "Illegal virtio-scsi lun: %u\n", *vc->lunp); } else { - struct vhost_scsi_tpg **vs_tpg, *tpg; - - vs_tpg = vhost_vq_get_backend(vq); /* validated at handler entry */ - - tpg = READ_ONCE(vs_tpg[*vc->target]); - if (unlikely(!tpg)) { - vq_err(vq, "Target 0x%x does not exist\n", *vc->target); - } else { - if (tpgp) - *tpgp = tpg; - ret = 0; + struct vhost_scsi_tpg **vs_tpg, *tpg = NULL; + + if (vc->target) { + /* validated at handler entry */ + vs_tpg = vhost_vq_get_backend(vq); + tpg = READ_ONCE(vs_tpg[*vc->target]); + if (unlikely(!tpg)) { + vq_err(vq, "Target 0x%x does not exist\n", *vc->target); + goto out; + } } - } + if (tpgp) + *tpgp = tpg; + ret = 0; + } +out: return ret; } |