As of now, The firmware only supports LD IDs up to 240, and LD ID 255
(0xFF) being reserved for deleted LDs. However, in some cases, firmware
was assigning LD ID 254 (0xFE) to deleted LDs which was causing the
driver to delete the wrong LD.
To address this issue, the driver updated the LD ID check from 255 to
240, This ensures the deleted LD ID properly identifies and removed by
the driver without accidently deleting the valid LDs.
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@xxxxxxxxxxxx>
Signed-off-by: Sumit Saxena <sumit.saxena@xxxxxxxxxxxx>
---
drivers/scsi/megaraid/megaraid_sas.h | 2 ++
drivers/scsi/megaraid/megaraid_sas_fp.c | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 4919ea54b827..2ef9d41fc6f4 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -1519,6 +1519,8 @@ struct megasas_ctrl_info {
#define MEGASAS_MAX_LD_IDS (MEGASAS_MAX_LD_CHANNELS * \
MEGASAS_MAX_DEV_PER_CHANNEL)
+#define MEGASAS_MAX_SUPPORTED_LD_IDS 240
+
#define MEGASAS_MAX_SECTORS (2*1024)
#define MEGASAS_MAX_SECTORS_IEEE (2*128)
#define MEGASAS_DBG_LVL 1
diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c
index da1cad1ee123..4463a538102a 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -358,7 +358,7 @@ u8 MR_ValidateMapInfo(struct megasas_instance *instance, u64 map_id)
ld = MR_TargetIdToLdGet(i, drv_map);
/* For non existing VDs, iterate to next VD*/
- if (ld >= (MAX_LOGICAL_DRIVES_EXT - 1))
+ if (ld >= MEGASAS_MAX_SUPPORTED_LD_IDS)
continue;
raid = MR_LdRaidGet(ld, drv_map);
--
2.31.1
Attachment:
smime.p7s
Description: S/MIME Cryptographic Signature
