diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 41cd66fc7d812..5e31bd364a5b3 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -8134,7 +8134,7 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
 	int error = 0, i;
 	void *sense = NULL;
 	dma_addr_t sense_handle;
-	unsigned long *sense_ptr;
+	void *sense_ptr;
 	u32 opcode = 0;
 	int ret = DCMD_SUCCESS;
 
@@ -8257,6 +8257,13 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
 	}
 
 	if (ioc->sense_len) {
+		/* make sure the pointer is part of the frame */
+		if (ioc->sense_off >
+		    (sizeof(union megasas_frame) - sizeof(__le64))) {
+			error = -EINVAL;
+			goto out;
+		}
+
 		sense = dma_alloc_coherent(&instance->pdev->dev, ioc->sense_len,
 					     &sense_handle, GFP_KERNEL);
 		if (!sense) {
@@ -8264,12 +8271,11 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
 			goto out;
 		}
 
-		sense_ptr =
-		(unsigned long *) ((unsigned long)cmd->frame + ioc->sense_off);
+		sense_ptr = (void *)cmd->frame + ioc->sense_off;
 		if (instance->consistent_mask_64bit)
-			*sense_ptr = cpu_to_le64(sense_handle);
+			put_unaligned_le64(sense_handle, sense_ptr);
 		else
-			*sense_ptr = cpu_to_le32(sense_handle);
+			put_unaligned_le32(sense_handle, sense_ptr);
 	}
 
 	/*