diff options
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_fp.c')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fp.c | 17 |
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++) { |