Instead of using the virt_ptr use request buffer for copying
back the nvmd response data and use the same in request function also
Signed-off-by: Suresh Thiagarajan <suresh.thiagarajan@xxxxxxxx>
Reviewed-by: Tomas Henzl <thenzl@xxxxxxxxxx>
---
drivers/scsi/pm8001/pm8001_ctl.c | 4 +---
drivers/scsi/pm8001/pm8001_hwi.c | 8 ++++++++
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/pm8001/pm8001_ctl.c b/drivers/scsi/pm8001/pm8001_ctl.c
index d3a08ae..e871a14 100644
--- a/drivers/scsi/pm8001/pm8001_ctl.c
+++ b/drivers/scsi/pm8001/pm8001_ctl.c
@@ -385,7 +385,6 @@ static ssize_t pm8001_ctl_bios_version_show(struct device *cdev,
struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
char *str = buf;
- void *virt_addr;
int bios_index;
DECLARE_COMPLETION_ONSTACK(completion);
struct pm8001_ioctl_payload payload;
@@ -402,11 +401,10 @@ static ssize_t pm8001_ctl_bios_version_show(struct device *cdev,
return -ENOMEM;
}
wait_for_completion(&completion);
- virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
for (bios_index = BIOSOFFSET; bios_index < BIOS_OFFSET_LIMIT;
bios_index++)
str += sprintf(str, "%c",
- *((u8 *)((u8 *)virt_addr+bios_index)));
+ *(payload.func_specific+bios_index));
kfree(payload.func_specific);
return str - buf;
}
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 1738310..fd4f507 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -3132,6 +3132,7 @@ void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
void
pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
{
+ struct fw_control_ex *fw_control_context;
struct get_nvm_data_resp *pPayload =
(struct get_nvm_data_resp *)(piomb + 4);
u32 tag = le32_to_cpu(pPayload->tag);
@@ -3140,6 +3141,7 @@ pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
u32 ir_tds_bn_dps_das_nvm =
le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
+ fw_control_context = ccb->fw_control_context;
PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Get nvm data complete!\n"));
if ((dlen_status & NVMD_STAT) != 0) {
@@ -3180,6 +3182,12 @@ pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
pm8001_printk("Get NVMD success, IR=0, dataLen=%d\n",
(dlen_status & NVMD_LEN) >> 24));
}
+ /* Though fw_control_context is freed below, usrAddr still needs
+ * to be updated as this holds the response to the request function
+ */
+ memcpy(fw_control_context->usrAddr,
+ pm8001_ha->memoryMap.region[NVMD].virt_ptr,
+ fw_control_context->len);
kfree(ccb->fw_control_context);
ccb->task = NULL;
ccb->ccb_tag = 0xFFFFFFFF;
--
1.7.1
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