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authoradam radford <aradford@gmail.com>2012-10-01 19:27:12 -0700
committerJames Bottomley <JBottomley@Parallels.com>2012-10-09 11:19:11 +0100
commite187df63991b1b50af0fd3cf8ceaf9aa77c20f4a (patch)
treeaa1ec67702069b462fe584acc361064480479b08 /drivers/scsi/megaraid
parentf9eff81584ce8727ac6d4dc418f546337781943b (diff)
[SCSI] megaraid_sas: Add array boundary check for SystemPD
Signed-off-by: Adam Radford <aradford@gmail.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/megaraid')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fusion.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 31d397497c45..ad6e2ac196b0 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -1508,7 +1508,8 @@ megasas_build_dcdb_fusion(struct megasas_instance *instance,
local_map_ptr = fusion->ld_map[(instance->map_id & 1)];
/* Check if this is a system PD I/O */
- if (instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) {
+ if (scmd->device->channel < MEGASAS_MAX_PD_CHANNELS &&
+ instance->pd_list[pd_index].driveState == MR_PD_STATE_SYSTEM) {
io_request->Function = 0;
io_request->DevHandle =
local_map_ptr->raidMap.devHndlInfo[device_id].curDevHdl;