diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c
index 4e4eaa2..5bf4d41 100644
--- a/drivers/net/wireless/ipw2100.c
+++ b/drivers/net/wireless/ipw2100.c
@@ -7568,11 +7568,10 @@
 		return -EINVAL;
 
 	if (wrqu->data.length) {
-		buf = kmalloc(wrqu->data.length, GFP_KERNEL);
+		buf = kmemdup(extra, wrqu->data.length, GFP_KERNEL);
 		if (buf == NULL)
 			return -ENOMEM;
 
-		memcpy(buf, extra, wrqu->data.length);
 		kfree(ieee->wpa_ie);
 		ieee->wpa_ie = buf;
 		ieee->wpa_ie_len = wrqu->data.length;