1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/staging/mei/mei_dev.h b/drivers/staging/mei/mei_dev.h
index b9957e0..0d937b0 100644
--- a/drivers/staging/mei/mei_dev.h
+++ b/drivers/staging/mei/mei_dev.h
@@ -30,6 +30,8 @@
 #define MEI_WD_PARAMS_SIZE             4
 #define MEI_WD_STATE_INDEPENDENCE_MSG_SENT       (1 << 0)
 
+#define MEI_RD_MSG_BUF_SIZE           (128 * sizeof(u32))
+
 /*
  * MEI PCI Device object
  */
@@ -125,7 +127,7 @@ enum mei_cb_major_types {
  */
 struct mei_message_data {
 	u32 size;
-	char *data;
+	unsigned char *data;
 } __packed;
 
 
@@ -219,7 +221,7 @@ struct mei_device {
 	bool need_reset;
 
 	u32 extra_write_index;
-	u32 rd_msg_buf[128];	/* used for control messages */
+	unsigned char rd_msg_buf[MEI_RD_MSG_BUF_SIZE];	/* control messages */
 	u32 wr_msg_buf[128];	/* used for control messages */
 	u32 ext_msg_buf[8];	/* for control responses */
 	u32 rd_msg_hdr;