lkml.org 
[lkml]   [2013]   [Apr]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[ 08/17] target: Fix incorrect fallthrough of ALUA Standby/Offline/Transition CDBs
Date
3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Nicholas Bellinger <nab@linux-iscsi.org>

commit 30f359a6f9da65a66de8cadf959f0f4a0d498bba 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>

---
drivers/target/target_core_alua.c | 3 +++
1 file changed, 3 insertions(+)

--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -392,6 +392,7 @@ static inline int core_alua_state_standb
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_unavai
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_transi
switch (cdb[0]) {
case INQUIRY:
case REPORT_LUNS:
+ return 0;
case MAINTENANCE_IN:
switch (cdb[1]) {
case MI_REPORT_TARGET_PGS:



\
 
 \ /
  Last update: 2013-04-15 05:21    [W:0.087 / U:0.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site