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path: root/drivers/scsi/megaraid/megaraid_sas_fp.c
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Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_fp.c')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_fp.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c
index 460c6a3d4ade..4f72287860ee 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -172,6 +172,7 @@ void MR_PopulateDrvRaidMap(struct megasas_instance *instance)
struct MR_FW_RAID_MAP_ALL *fw_map_old = NULL;
struct MR_FW_RAID_MAP *pFwRaidMap = NULL;
int i;
+ u16 ld_count;
struct MR_DRV_RAID_MAP_ALL *drv_map =
@@ -191,9 +192,10 @@ void MR_PopulateDrvRaidMap(struct megasas_instance *instance)
fw_map_old = (struct MR_FW_RAID_MAP_ALL *)
fusion->ld_map[(instance->map_id & 1)];
pFwRaidMap = &fw_map_old->raidMap;
+ ld_count = (u16)le32_to_cpu(pFwRaidMap->ldCount);
#if VD_EXT_DEBUG
- for (i = 0; i < le16_to_cpu(pFwRaidMap->ldCount); i++) {
+ for (i = 0; i < ld_count; i++) {
dev_dbg(&instance->pdev->dev, "(%d) :Index 0x%x "
"Target Id 0x%x Seq Num 0x%x Size 0/%llx\n",
instance->unique_id, i,
@@ -205,12 +207,15 @@ void MR_PopulateDrvRaidMap(struct megasas_instance *instance)
memset(drv_map, 0, fusion->drv_map_sz);
pDrvRaidMap->totalSize = pFwRaidMap->totalSize;
- pDrvRaidMap->ldCount = (__le16)pFwRaidMap->ldCount;
+ pDrvRaidMap->ldCount = (__le16)cpu_to_le16(ld_count);
pDrvRaidMap->fpPdIoTimeoutSec = pFwRaidMap->fpPdIoTimeoutSec;
for (i = 0; i < MAX_RAIDMAP_LOGICAL_DRIVES + MAX_RAIDMAP_VIEWS; i++)
pDrvRaidMap->ldTgtIdToLd[i] =
(u8)pFwRaidMap->ldTgtIdToLd[i];
- for (i = 0; i < le16_to_cpu(pDrvRaidMap->ldCount); i++) {
+ for (i = (MAX_RAIDMAP_LOGICAL_DRIVES + MAX_RAIDMAP_VIEWS);
+ i < MAX_LOGICAL_DRIVES_EXT; i++)
+ pDrvRaidMap->ldTgtIdToLd[i] = 0xff;
+ for (i = 0; i < ld_count; i++) {
pDrvRaidMap->ldSpanMap[i] = pFwRaidMap->ldSpanMap[i];
#if VD_EXT_DEBUG
dev_dbg(&instance->pdev->dev,
@@ -252,7 +257,7 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance)
struct LD_LOAD_BALANCE_INFO *lbInfo;
PLD_SPAN_INFO ldSpanInfo;
struct MR_LD_RAID *raid;
- int ldCount, num_lds;
+ u16 ldCount, num_lds;
u16 ld;
u32 expected_size;
@@ -356,7 +361,7 @@ static int getSpanInfo(struct MR_DRV_RAID_MAP_ALL *map,
for (ldCount = 0; ldCount < MAX_LOGICAL_DRIVES_EXT; ldCount++) {
ld = MR_TargetIdToLdGet(ldCount, map);
- if (ld >= MAX_LOGICAL_DRIVES_EXT)
+ if (ld >= (MAX_LOGICAL_DRIVES_EXT - 1))
continue;
raid = MR_LdRaidGet(ld, map);
dev_dbg(&instance->pdev->dev, "LD %x: span_depth=%x\n",
@@ -1157,7 +1162,7 @@ void mr_update_span_set(struct MR_DRV_RAID_MAP_ALL *map,
for (ldCount = 0; ldCount < MAX_LOGICAL_DRIVES_EXT; ldCount++) {
ld = MR_TargetIdToLdGet(ldCount, map);
- if (ld >= MAX_LOGICAL_DRIVES_EXT)
+ if (ld >= (MAX_LOGICAL_DRIVES_EXT - 1))
continue;
raid = MR_LdRaidGet(ld, map);
for (element = 0; element < MAX_QUAD_DEPTH; element++) {