diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 849ac88bcccc..58ca585caa59 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -4533,9 +4533,8 @@ static int proc_status_open( struct inode *inode, struct file *file ) {
 	StatusRid status_rid;
 	int i;
 
-	if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
+	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
 		return -ENOMEM;
-	memset(file->private_data, 0, sizeof(struct proc_data));
 	data = (struct proc_data *)file->private_data;
 	if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
 		kfree (file->private_data);
@@ -4613,9 +4612,8 @@ static int proc_stats_rid_open( struct inode *inode,
 	int i, j;
 	u32 *vals = stats.vals;
 
-	if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
+	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
 		return -ENOMEM;
-	memset(file->private_data, 0, sizeof(struct proc_data));
 	data = (struct proc_data *)file->private_data;
 	if ((data->rbuffer = kmalloc( 4096, GFP_KERNEL )) == NULL) {
 		kfree (file->private_data);
@@ -4879,20 +4877,18 @@ static int proc_config_open( struct inode *inode, struct file *file ) {
 	struct airo_info *ai = dev->priv;
 	int i;
 
-	if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
+	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
 		return -ENOMEM;
-	memset(file->private_data, 0, sizeof(struct proc_data));
 	data = (struct proc_data *)file->private_data;
 	if ((data->rbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
 		kfree (file->private_data);
 		return -ENOMEM;
 	}
-	if ((data->wbuffer = kmalloc( 2048, GFP_KERNEL )) == NULL) {
+	if ((data->wbuffer = kzalloc( 2048, GFP_KERNEL )) == NULL) {
 		kfree (data->rbuffer);
 		kfree (file->private_data);
 		return -ENOMEM;
 	}
-	memset( data->wbuffer, 0, 2048 );
 	data->maxwritelen = 2048;
 	data->on_close = proc_config_on_close;
 
@@ -5153,24 +5149,21 @@ static int proc_wepkey_open( struct inode *inode, struct file *file ) {
 	int j=0;
 	int rc;
 
-	if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
+	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
 		return -ENOMEM;
-	memset(file->private_data, 0, sizeof(struct proc_data));
 	memset(&wkr, 0, sizeof(wkr));
 	data = (struct proc_data *)file->private_data;
-	if ((data->rbuffer = kmalloc( 180, GFP_KERNEL )) == NULL) {
+	if ((data->rbuffer = kzalloc( 180, GFP_KERNEL )) == NULL) {
 		kfree (file->private_data);
 		return -ENOMEM;
 	}
-	memset(data->rbuffer, 0, 180);
 	data->writelen = 0;
 	data->maxwritelen = 80;
-	if ((data->wbuffer = kmalloc( 80, GFP_KERNEL )) == NULL) {
+	if ((data->wbuffer = kzalloc( 80, GFP_KERNEL )) == NULL) {
 		kfree (data->rbuffer);
 		kfree (file->private_data);
 		return -ENOMEM;
 	}
-	memset( data->wbuffer, 0, 80 );
 	data->on_close = proc_wepkey_on_close;
 
 	ptr = data->rbuffer;
@@ -5201,9 +5194,8 @@ static int proc_SSID_open( struct inode *inode, struct file *file ) {
 	char *ptr;
 	SsidRid SSID_rid;
 
-	if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
+	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
 		return -ENOMEM;
-	memset(file->private_data, 0, sizeof(struct proc_data));
 	data = (struct proc_data *)file->private_data;
 	if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
 		kfree (file->private_data);
@@ -5211,12 +5203,11 @@ static int proc_SSID_open( struct inode *inode, struct file *file ) {
 	}
 	data->writelen = 0;
 	data->maxwritelen = 33*3;
-	if ((data->wbuffer = kmalloc( 33*3, GFP_KERNEL )) == NULL) {
+	if ((data->wbuffer = kzalloc( 33*3, GFP_KERNEL )) == NULL) {
 		kfree (data->rbuffer);
 		kfree (file->private_data);
 		return -ENOMEM;
 	}
-	memset( data->wbuffer, 0, 33*3 );
 	data->on_close = proc_SSID_on_close;
 
 	readSsidRid(ai, &SSID_rid);
@@ -5245,9 +5236,8 @@ static int proc_APList_open( struct inode *inode, struct file *file ) {
 	char *ptr;
 	APListRid APList_rid;
 
-	if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
+	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
 		return -ENOMEM;
-	memset(file->private_data, 0, sizeof(struct proc_data));
 	data = (struct proc_data *)file->private_data;
 	if ((data->rbuffer = kmalloc( 104, GFP_KERNEL )) == NULL) {
 		kfree (file->private_data);
@@ -5255,12 +5245,11 @@ static int proc_APList_open( struct inode *inode, struct file *file ) {
 	}
 	data->writelen = 0;
 	data->maxwritelen = 4*6*3;
-	if ((data->wbuffer = kmalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
+	if ((data->wbuffer = kzalloc( data->maxwritelen, GFP_KERNEL )) == NULL) {
 		kfree (data->rbuffer);
 		kfree (file->private_data);
 		return -ENOMEM;
 	}
-	memset( data->wbuffer, 0, data->maxwritelen );
 	data->on_close = proc_APList_on_close;
 
 	readAPListRid(ai, &APList_rid);
@@ -5295,9 +5284,8 @@ static int proc_BSSList_open( struct inode *inode, struct file *file ) {
 	/* If doLoseSync is not 1, we won't do a Lose Sync */
 	int doLoseSync = -1;
 
-	if ((file->private_data = kmalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
+	if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL)
 		return -ENOMEM;
-	memset(file->private_data, 0, sizeof(struct proc_data));
 	data = (struct proc_data *)file->private_data;
 	if ((data->rbuffer = kmalloc( 1024, GFP_KERNEL )) == NULL) {
 		kfree (file->private_data);
diff --git a/drivers/net/wireless/airo_cs.c b/drivers/net/wireless/airo_cs.c
index 784de9109113..fee458fd7a4a 100644
--- a/drivers/net/wireless/airo_cs.c
+++ b/drivers/net/wireless/airo_cs.c
@@ -172,12 +172,11 @@ static dev_link_t *airo_attach(void)
 	DEBUG(0, "airo_attach()\n");
 
 	/* Initialize the dev_link_t structure */
-	link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
+	link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL);
 	if (!link) {
 		printk(KERN_ERR "airo_cs: no memory for new device\n");
 		return NULL;
 	}
-	memset(link, 0, sizeof(struct dev_link_t));
 	
 	/* Interrupt setup */
 	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
@@ -196,13 +195,12 @@ static dev_link_t *airo_attach(void)
 	link->conf.IntType = INT_MEMORY_AND_IO;
 	
 	/* Allocate space for private device-specific data */
-	local = kmalloc(sizeof(local_info_t), GFP_KERNEL);
+	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
 	if (!local) {
 		printk(KERN_ERR "airo_cs: no memory for new device\n");
 		kfree (link);
 		return NULL;
 	}
-	memset(local, 0, sizeof(local_info_t));
 	link->priv = local;
 	
 	/* Register with Card Services */
diff --git a/drivers/net/wireless/atmel_cs.c b/drivers/net/wireless/atmel_cs.c
index 195cb36619e8..1bd13146c644 100644
--- a/drivers/net/wireless/atmel_cs.c
+++ b/drivers/net/wireless/atmel_cs.c
@@ -180,12 +180,11 @@ static dev_link_t *atmel_attach(void)
 	DEBUG(0, "atmel_attach()\n");
 
 	/* Initialize the dev_link_t structure */
-	link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
+	link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL);
 	if (!link) {
 		printk(KERN_ERR "atmel_cs: no memory for new device\n");
 		return NULL;
 	}
-	memset(link, 0, sizeof(struct dev_link_t));
 	
 	/* Interrupt setup */
 	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
@@ -204,13 +203,12 @@ static dev_link_t *atmel_attach(void)
 	link->conf.IntType = INT_MEMORY_AND_IO;
 	
 	/* Allocate space for private device-specific data */
-	local = kmalloc(sizeof(local_info_t), GFP_KERNEL);
+	local = kzalloc(sizeof(local_info_t), GFP_KERNEL);
 	if (!local) {
 		printk(KERN_ERR "atmel_cs: no memory for new device\n");
 		kfree (link);
 		return NULL;
 	}
-	memset(local, 0, sizeof(local_info_t));
 	link->priv = local;
 	
 	/* Register with Card Services */
diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c
index ad7f8cd76db9..4f19ac7d63a8 100644
--- a/drivers/net/wireless/ipw2100.c
+++ b/drivers/net/wireless/ipw2100.c
@@ -6065,13 +6065,11 @@ static int ipw2100_wpa_set_encryption(struct net_device *dev,
 
 		ieee80211_crypt_delayed_deinit(ieee, crypt);
 
-		new_crypt = (struct ieee80211_crypt_data *)
-			kmalloc(sizeof(struct ieee80211_crypt_data), GFP_KERNEL);
+		new_crypt = kzalloc(sizeof(struct ieee80211_crypt_data), GFP_KERNEL);
 		if (new_crypt == NULL) {
 			ret = -ENOMEM;
 			goto done;
 		}
-		memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data));
 		new_crypt->ops = ops;
 		if (new_crypt->ops && try_module_get(new_crypt->ops->owner))
 			new_crypt->priv = new_crypt->ops->init(param->u.crypt.idx);
diff --git a/drivers/net/wireless/wavelan_cs.c b/drivers/net/wireless/wavelan_cs.c
index 4b3c98f5c564..c822cad3333f 100644
--- a/drivers/net/wireless/wavelan_cs.c
+++ b/drivers/net/wireless/wavelan_cs.c
@@ -4608,9 +4608,8 @@ wavelan_attach(void)
 #endif
 
   /* Initialize the dev_link_t structure */
-  link = kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);
+  link = kzalloc(sizeof(struct dev_link_t), GFP_KERNEL);
   if (!link) return NULL;
-  memset(link, 0, sizeof(struct dev_link_t));
 
   /* The io structure describes IO port mapping */
   link->io.NumPorts1 = 8;
diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c
index 3f8c27f0871b..978fdc606781 100644
--- a/drivers/net/wireless/wl3501_cs.c
+++ b/drivers/net/wireless/wl3501_cs.c
@@ -1965,10 +1965,9 @@ static dev_link_t *wl3501_attach(void)
 	int ret;
 
 	/* Initialize the dev_link_t structure */
-	link = kmalloc(sizeof(*link), GFP_KERNEL);
+	link = kzalloc(sizeof(*link), GFP_KERNEL);
 	if (!link)
 		goto out;
-	memset(link, 0, sizeof(struct dev_link_t));
 
 	/* The io structure describes IO port mapping */
 	link->io.NumPorts1	= 16;