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| author |   Chandrakanth Patil <chandrakanth.patil@broadcom.com> | 2019-06-25 16:34:27 +0530 |
|---|---|---|
| committer |   Martin K. Petersen <martin.petersen@oracle.com> | 2019-06-27 00:07:35 -0400 |
| commit | a4413a5859f8a36e9217e808d172e9458ece4ff0 (patch) | |
| tree | 3ee3fa55355af8f38efe72f0fd38dc8d5e0e00d8 /drivers/scsi | |
| parent | scsi: megaraid_sas: Handle sequence JBOD map failure at driver level (diff) | |
| download | linux-dev-a4413a5859f8a36e9217e808d172e9458ece4ff0.tar.xz linux-dev-a4413a5859f8a36e9217e808d172e9458ece4ff0.zip | |
scsi: megaraid_sas: megaraid_sas: Add check for count returned by HOST_DEVICE_LIST DCMD
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: Chandrakanth Patil <chandrakanth.patil@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 554ec72811e7..a886de3e3ffb 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -4827,6 +4827,9 @@ megasas_host_device_list_query(struct megasas_instance *instance, */ count = le32_to_cpu(ci->count); + if (count > (MEGASAS_MAX_PD + MAX_LOGICAL_DRIVES_EXT)) + break; + if (megasas_dbg_lvl & LD_PD_DEBUG) dev_info(&instance->pdev->dev, "%s, Device count: 0x%x\n", __func__, count); |