diff --git a/drivers/net/wireless/rsi/rsi_91x_main.c b/drivers/net/wireless/rsi/rsi_91x_main.c
index 7367be4a58ad58e713358373decde21173bec077..8810862ae82629eaf1a0bbb1fd5412a60ef1c32d 100644
--- a/drivers/net/wireless/rsi/rsi_91x_main.c
+++ b/drivers/net/wireless/rsi/rsi_91x_main.c
@@ -14,6 +14,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/firmware.h>
 #include "rsi_mgmt.h"
diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
index f09c72ef55d5d7d607d45d205158dc86f0f01adf..ef37d4b27bd4130142bc5be06e9a5a416aa705d0 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c
@@ -393,7 +393,8 @@ static int rsi_mgmt_pkt_to_core(struct rsi_common *common,
 
 		msg_len -= pad_bytes;
 		if ((msg_len <= 0) || (!msg)) {
-			rsi_dbg(MGMT_RX_ZONE, "Invalid rx msg of len = %d\n",
+			rsi_dbg(MGMT_RX_ZONE,
+				"%s: Invalid rx msg of len = %d\n",
 				__func__, msg_len);
 			return -EINVAL;
 		}
diff --git a/drivers/net/wireless/rsi/rsi_main.h b/drivers/net/wireless/rsi/rsi_main.h
index e97e6ad075625023f63d3c555f9d390ff4276dbd..2cb73e7edb98d9e11f0d2e02902517a81b4051aa 100644
--- a/drivers/net/wireless/rsi/rsi_main.h
+++ b/drivers/net/wireless/rsi/rsi_main.h
@@ -40,7 +40,7 @@
 #define FSM_MAC_INIT_DONE               6
 
 extern u32 rsi_zone_enabled;
-extern void rsi_dbg(u32 zone, const char *fmt, ...);
+extern __printf(2, 3) void rsi_dbg(u32 zone, const char *fmt, ...);
 
 #define RSI_MAX_VIFS                    1
 #define NUM_EDCA_QUEUES                 4