[SCSI] iscsi regression: check for zero max session cmds
The old tools did not set max session cmds. This is a regression.
I removed the check when merging the power of 2 patch.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 59f8445..bdd7de7 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1708,8 +1708,8 @@
qdepth = ISCSI_DEF_CMD_PER_LUN;
}
- if (!is_power_of_2(cmds_max) ||
- cmds_max >= ISCSI_MGMT_ITT_OFFSET) {
+ if (!is_power_of_2(cmds_max) || cmds_max >= ISCSI_MGMT_ITT_OFFSET ||
+ cmds_max < 2) {
if (cmds_max != 0)
printk(KERN_ERR "iscsi: invalid can_queue of %d. "
"can_queue must be a power of 2 and between "
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 9981682d..dfb026b 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -33,7 +33,7 @@
#define ISCSI_SESSION_ATTRS 19
#define ISCSI_CONN_ATTRS 13
#define ISCSI_HOST_ATTRS 4
-#define ISCSI_TRANSPORT_VERSION "2.0-868"
+#define ISCSI_TRANSPORT_VERSION "2.0-869"
struct iscsi_internal {
int daemon_pid;
