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target: Fix incorrect fallthrough of ALUA Standby/Offline/Transition CDBs

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commit 30f359a6f9 upstream.

This patch fixes a bug where a handful of informational / control CDBs
that should be allowed during ALUA access state Standby/Offline/Transition
where incorrectly returning CHECK_CONDITION + ASCQ_04H_ALUA_TG_PT_*.

This includes INQUIRY + REPORT_LUNS, which would end up preventing LUN
registration when LUN scanning occured during these ALUA access states.

Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Cc: Hannes Reinecke <hare@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nicholas Bellinger 2013-04-10 15:00:27 -07:00 committed by Greg Kroah-Hartman
parent e0b4cef344
commit eced4ec1b6
1 changed files with 3 additions and 0 deletions
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3
drivers/target/target_core_alua.c
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@ -392,6 +392,7 @@ static inline int core_alua_state_standby(
case REPORT_LUNS:
case RECEIVE_DIAGNOSTIC:
case SEND_DIAGNOSTIC:
return 0;
case MAINTENANCE_IN:
switch (cdb[1]) {
case MI_REPORT_TARGET_PGS:
@ -434,6 +435,7 @@ static inline int core_alua_state_unavailable(
switch (cdb[0]) {
case INQUIRY:
case REPORT_LUNS:
return 0;
case MAINTENANCE_IN:
switch (cdb[1]) {
case MI_REPORT_TARGET_PGS:
@ -474,6 +476,7 @@ static inline int core_alua_state_transition(
switch (cdb[0]) {
case INQUIRY:
case REPORT_LUNS:
return 0;
case MAINTENANCE_IN:
switch (cdb[1]) {
case MI_REPORT_TARGET_PGS: