diff --git a/drivers/staging/rt2860/common/spectrum.c b/drivers/staging/rt2860/common/spectrum.c
index 0265a6d1df1a3e5455f4b0ab94628cdd36490d5a..b3650ec46563f398b45f6f60ffbb60eca9c77a23 100644
--- a/drivers/staging/rt2860/common/spectrum.c
+++ b/drivers/staging/rt2860/common/spectrum.c
@@ -1596,7 +1596,7 @@ static VOID PeerMeasureReportAction(
 
 	if ((pMeasureReportInfo = kmalloc(sizeof(MEASURE_RPI_REPORT), GFP_ATOMIC)) == NULL)
 	{
-		DBGPRINT(RT_DEBUG_ERROR, ("%s unable to alloc memory for measure report buffer (size=%d).\n", __func__, sizeof(MEASURE_RPI_REPORT)));
+		DBGPRINT(RT_DEBUG_ERROR, ("%s unable to alloc memory for measure report buffer (size=%zu).\n", __func__, sizeof(MEASURE_RPI_REPORT)));
 		return;
 	}
 
diff --git a/drivers/staging/rt2860/rt_linux.c b/drivers/staging/rt2860/rt_linux.c
index 70a1bcac3e7a998db498569abe8a1be7928fe13d..10710b5aaf4b9dbd6129326f725b6977c646c540 100644
--- a/drivers/staging/rt2860/rt_linux.c
+++ b/drivers/staging/rt2860/rt_linux.c
@@ -854,7 +854,7 @@ void send_monitor_packets(
 
     if (pRxBlk->DataSize + sizeof(wlan_ng_prism2_header) > RX_BUFFER_AGGRESIZE)
     {
-        DBGPRINT(RT_DEBUG_ERROR, ("%s : Size is too large! (%d)\n", __func__, pRxBlk->DataSize + sizeof(wlan_ng_prism2_header)));
+        DBGPRINT(RT_DEBUG_ERROR, ("%s : Size is too large! (%zu)\n", __func__, pRxBlk->DataSize + sizeof(wlan_ng_prism2_header)));
 		goto err_free_sk_buff;
     }
 
diff --git a/drivers/staging/rt2870/common/spectrum.c b/drivers/staging/rt2870/common/spectrum.c
index 43782ce9288f05ae1d81a0144ca50d4b49b47dfd..74380958eb70a7b736aa19c8d0adb0f0307306f6 100644
--- a/drivers/staging/rt2870/common/spectrum.c
+++ b/drivers/staging/rt2870/common/spectrum.c
@@ -1595,7 +1595,7 @@ static VOID PeerMeasureReportAction(
 
 	if ((pMeasureReportInfo = kmalloc(sizeof(MEASURE_RPI_REPORT), GFP_ATOMIC)) == NULL)
 	{
-		DBGPRINT(RT_DEBUG_ERROR, ("%s unable to alloc memory for measure report buffer (size=%d).\n", __func__, sizeof(MEASURE_RPI_REPORT)));
+		DBGPRINT(RT_DEBUG_ERROR, ("%s unable to alloc memory for measure report buffer (size=%zu).\n", __func__, sizeof(MEASURE_RPI_REPORT)));
 		return;
 	}
 
diff --git a/drivers/staging/rt2870/rt_linux.c b/drivers/staging/rt2870/rt_linux.c
index 992e3d16f9b4fbab893aeba7ed34fe83f8d2de0f..e38552c5ccb13b97bda2bcff8033eb087fe50053 100644
--- a/drivers/staging/rt2870/rt_linux.c
+++ b/drivers/staging/rt2870/rt_linux.c
@@ -895,7 +895,7 @@ void send_monitor_packets(
 
     if (pRxBlk->DataSize + sizeof(wlan_ng_prism2_header) > RX_BUFFER_AGGRESIZE)
     {
-        DBGPRINT(RT_DEBUG_ERROR, ("%s : Size is too large! (%d)\n", __func__, pRxBlk->DataSize + sizeof(wlan_ng_prism2_header)));
+        DBGPRINT(RT_DEBUG_ERROR, ("%s : Size is too large! (%zu)\n", __func__, pRxBlk->DataSize + sizeof(wlan_ng_prism2_header)));
 		goto err_free_sk_buff;
     }