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authorShivasharan S <shivasharan.srikanteshwara@broadcom.com>2017-08-23 14:47:00 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2017-08-25 05:29:12 +0300
commit8823abeddbbcefd4603b02e6518311e17557156f (patch)
tree81f9167c5d6535d9ce284dec628703c065088f3e /drivers/scsi/megaraid
parent690e9c38858f870f4d83e7495feaca5417f65c6b (diff)
downloadlinux-8823abeddbbcefd4603b02e6518311e17557156f.tar.xz
scsi: megaraid_sas: Fix endianness issues in DCMD handling
Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com> Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/megaraid')
-rw-r--r--drivers/scsi/megaraid/megaraid_sas_base.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 2c309ec33696..b8b46540d909 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -6866,6 +6866,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
void *sense = NULL;
dma_addr_t sense_handle;
unsigned long *sense_ptr;
+ u32 opcode;
memset(kbuff_arr, 0, sizeof(kbuff_arr));
@@ -6893,15 +6894,16 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
cmd->frame->hdr.flags &= cpu_to_le16(~(MFI_FRAME_IEEE |
MFI_FRAME_SGL64 |
MFI_FRAME_SENSE64));
+ opcode = le32_to_cpu(cmd->frame->dcmd.opcode);
- if (cmd->frame->dcmd.opcode == MR_DCMD_CTRL_SHUTDOWN) {
+ if (opcode == MR_DCMD_CTRL_SHUTDOWN) {
if (megasas_get_ctrl_info(instance) != DCMD_SUCCESS) {
megasas_return_cmd(instance, cmd);
return -1;
}
}
- if (cmd->frame->dcmd.opcode == MR_DRIVER_SET_APP_CRASHDUMP_MODE) {
+ if (opcode == MR_DRIVER_SET_APP_CRASHDUMP_MODE) {
error = megasas_set_crash_dump_params_ioctl(cmd);
megasas_return_cmd(instance, cmd);
return error;
@@ -6975,8 +6977,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
cmd->sync_cmd = 0;
dev_err(&instance->pdev->dev,
"return -EBUSY from %s %d opcode 0x%x cmd->cmd_status_drv 0x%x\n",
- __func__, __LINE__, cmd->frame->dcmd.opcode,
- cmd->cmd_status_drv);
+ __func__, __LINE__, opcode, cmd->cmd_status_drv);
return -EBUSY;
}