summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorkrw <krw@openbsd.org>2006-07-22 18:44:28 +0000
committerkrw <krw@openbsd.org>2006-07-22 18:44:28 +0000
commit9237c309fae71e2121bc25fd6559b71c17f3a7c0 (patch)
tree16aa3cbae143a2d887a6994f27dfb4aeb4f3dc13
parentAllocate enough, and only enough, scsi_link pointers for the number of (diff)
downloadwireguard-openbsd-9237c309fae71e2121bc25fd6559b71c17f3a7c0.tar.xz
wireguard-openbsd-9237c309fae71e2121bc25fd6559b71c17f3a7c0.zip
If the LUN is > 7, don't try to stuff it into the three bits available
in the CDB for pre-IDENTIFY device LUNs.
-rw-r--r--sys/scsi/scsi_base.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/sys/scsi/scsi_base.c b/sys/scsi/scsi_base.c
index 7a3adc013da..12deb79a5e5 100644
--- a/sys/scsi/scsi_base.c
+++ b/sys/scsi/scsi_base.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: scsi_base.c,v 1.108 2006/07/15 00:04:11 beck Exp $ */
+/* $OpenBSD: scsi_base.c,v 1.109 2006/07/22 18:44:28 krw Exp $ */
/* $NetBSD: scsi_base.c,v 1.43 1997/04/02 02:29:36 mycroft Exp $ */
/*
@@ -199,17 +199,18 @@ scsi_make_xs(struct scsi_link *sc_link, struct scsi_generic *scsi_cmd,
xs->bp = bp;
/*
- * Set the LUN in the CDB. This may only be needed if we have an
- * older device. However, we also set it for more modern SCSI
- * devices "just in case". The old code assumed everything newer
- * than SCSI-2 would not need it, but why risk it? This was the
- * old conditional:
+ * Set the LUN in the CDB if it fits in the three bits available. This
+ * may only be needed if we have an older device. However, we also set
+ * it for more modern SCSI devices "just in case". The old code
+ * assumed everything newer than SCSI-2 would not need it, but why risk
+ * it? This was the old conditional:
*
* if ((sc_link->inqdata.version & SID_ANSII) <= 2)
*/
xs->cmd->bytes[0] &= ~SCSI_CMD_LUN_MASK;
- xs->cmd->bytes[0] |=
- ((sc_link->lun << SCSI_CMD_LUN_SHIFT) & SCSI_CMD_LUN_MASK);
+ if (sc_link->lun < 8)
+ xs->cmd->bytes[0] |= ((sc_link->lun << SCSI_CMD_LUN_SHIFT) &
+ SCSI_CMD_LUN_MASK);
return (xs);
}