From 9e0328453ea1a0e800b10daafffbadeac68273fd Mon Sep 17 00:00:00 2001 From: Suresh Thiagarajan Date: Mon, 11 Aug 2014 11:50:35 +0530 Subject: [PATCH] pm8001: Update nvmd response data to request buffer 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 Reviewed-by: Tomas Henzl Signed-off-by: Christoph Hellwig --- 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 7abbf284da1a..be8269c8d127 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 dd12c6fe57a6..933f21471951 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; -- 2.20.1