diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 1d05445..7d26506 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -2723,9 +2723,8 @@
 	if (ai->networks)
 		return 0;
 
-	ai->networks =
-	    kzalloc(AIRO_MAX_NETWORK_COUNT * sizeof(BSSListElement),
-		    GFP_KERNEL);
+	ai->networks = kcalloc(AIRO_MAX_NETWORK_COUNT, sizeof(BSSListElement),
+			       GFP_KERNEL);
 	if (!ai->networks) {
 		airo_print_warn("", "Out of memory allocating beacons");
 		return -ENOMEM;
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 5a72570..e288c55 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -1182,7 +1182,7 @@
 		len = bw << 1;
 	}
 
-	samples = kzalloc(len * sizeof(struct b43_c32), GFP_KERNEL);
+	samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
 	if (!samples) {
 		b43err(dev->wl, "allocation for samples generation failed\n");
 		return 0;
diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index 1189dbb..0c67b17 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -1921,9 +1921,9 @@
 
 		bg_band->band = IEEE80211_BAND_2GHZ;
 		bg_band->n_channels = geo->bg_channels;
-		bg_band->channels =
-			kzalloc(geo->bg_channels *
-				sizeof(struct ieee80211_channel), GFP_KERNEL);
+		bg_band->channels = kcalloc(geo->bg_channels,
+					    sizeof(struct ieee80211_channel),
+					    GFP_KERNEL);
 		if (!bg_band->channels) {
 			ipw2100_down(priv);
 			return -ENOMEM;
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index cb2552a..0f25083 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -11467,9 +11467,9 @@
 
 		bg_band->band = IEEE80211_BAND_2GHZ;
 		bg_band->n_channels = geo->bg_channels;
-		bg_band->channels =
-			kzalloc(geo->bg_channels *
-				sizeof(struct ieee80211_channel), GFP_KERNEL);
+		bg_band->channels = kcalloc(geo->bg_channels,
+					    sizeof(struct ieee80211_channel),
+					    GFP_KERNEL);
 		/* translate geo->bg to bg_band.channels */
 		for (i = 0; i < geo->bg_channels; i++) {
 			bg_band->channels[i].band = IEEE80211_BAND_2GHZ;
@@ -11502,9 +11502,9 @@
 
 		a_band->band = IEEE80211_BAND_5GHZ;
 		a_band->n_channels = geo->a_channels;
-		a_band->channels =
-			kzalloc(geo->a_channels *
-				sizeof(struct ieee80211_channel), GFP_KERNEL);
+		a_band->channels = kcalloc(geo->a_channels,
+					   sizeof(struct ieee80211_channel),
+					   GFP_KERNEL);
 		/* translate geo->bg to a_band.channels */
 		for (i = 0; i < geo->a_channels; i++) {
 			a_band->channels[i].band = IEEE80211_BAND_2GHZ;
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 5063e01..8e3fbdf 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -1481,7 +1481,7 @@
 	/*
 	 * Create channel information array
 	 */
-	info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
+	info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index c2a555d..1d174e4 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -1795,7 +1795,7 @@
 	/*
 	 * Create channel information array
 	 */
-	info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
+	info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index cdaf93f..8ddaae4 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -1698,7 +1698,7 @@
 	/*
 	 * Create channel information array
 	 */
-	info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
+	info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index b66e0fd..8c00fbd 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -2865,7 +2865,7 @@
 	/*
 	 * Create channel information array
 	 */
-	info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
+	info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index b0498e7..2d018ce 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -333,7 +333,7 @@
 	if (*offset)
 		return 0;
 
-	data = kzalloc(lines * MAX_LINE_LENGTH, GFP_KERNEL);
+	data = kcalloc(lines, MAX_LINE_LENGTH, GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index a3401d3..9c609be 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -755,7 +755,7 @@
 	 * Allocate all queue entries.
 	 */
 	entry_size = sizeof(*entries) + qdesc->priv_size;
-	entries = kzalloc(queue->limit * entry_size, GFP_KERNEL);
+	entries = kcalloc(queue->limit, entry_size, GFP_KERNEL);
 	if (!entries)
 		return -ENOMEM;
 
@@ -891,7 +891,7 @@
 	 */
 	rt2x00dev->data_queues = 2 + rt2x00dev->ops->tx_queues + req_atim;
 
-	queue = kzalloc(rt2x00dev->data_queues * sizeof(*queue), GFP_KERNEL);
+	queue = kcalloc(rt2x00dev->data_queues, sizeof(*queue), GFP_KERNEL);
 	if (!queue) {
 		ERROR(rt2x00dev, "Queue allocation failed.\n");
 		return -ENOMEM;
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index e539c6c..f226582 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -2654,7 +2654,7 @@
 	/*
 	 * Create channel information array
 	 */
-	info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
+	info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index aa9de18..99985a2 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2084,7 +2084,7 @@
 	/*
 	 * Create channel information array
 	 */
-	info = kzalloc(spec->num_channels * sizeof(*info), GFP_KERNEL);
+	info = kcalloc(spec->num_channels, sizeof(*info), GFP_KERNEL);
 	if (!info)
 		return -ENOMEM;
 
diff --git a/drivers/net/wireless/wl12xx/wl1271_scan.c b/drivers/net/wireless/wl12xx/wl1271_scan.c
index fec43ee..30dc100 100644
--- a/drivers/net/wireless/wl12xx/wl1271_scan.c
+++ b/drivers/net/wireless/wl12xx/wl1271_scan.c
@@ -248,7 +248,7 @@
 
 	wl->scan.req = req;
 
-	wl->scan.scanned_ch = kzalloc(req->n_channels *
+	wl->scan.scanned_ch = kcalloc(req->n_channels,
 				      sizeof(*wl->scan.scanned_ch),
 				      GFP_KERNEL);
 	wl1271_scan_stm(wl);