diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c
index e89304c725686896b78164543016f8189992295b..b53deee25d74d525faa4692e3539af0cd3ceb369 100644
--- a/drivers/telephony/ixj.c
+++ b/drivers/telephony/ixj.c
@@ -5879,20 +5879,13 @@ static int ixj_build_cadence(IXJ *j, IXJ_CADENCE __user * cp)
 static int ixj_build_filter_cadence(IXJ *j, IXJ_FILTER_CADENCE __user * cp)
 {
 	IXJ_FILTER_CADENCE *lcp;
-	lcp = kmalloc(sizeof(IXJ_FILTER_CADENCE), GFP_KERNEL);
-	if (lcp == NULL) {
+	lcp = memdup_user(cp, sizeof(IXJ_FILTER_CADENCE));
+	if (IS_ERR(lcp)) {
 		if(ixjdebug & 0x0001) {
-			printk(KERN_INFO "Could not allocate memory for cadence\n");
+			printk(KERN_INFO "Could not allocate memory for cadence or could not copy cadence to kernel\n");
 		}
-		return -ENOMEM;
+		return PTR_ERR(lcp);
         }
-	if (copy_from_user(lcp, cp, sizeof(IXJ_FILTER_CADENCE))) {
-		if(ixjdebug & 0x0001) {
-			printk(KERN_INFO "Could not copy cadence to kernel\n");
-		}
-		kfree(lcp);
-		return -EFAULT;
-	}
 	if (lcp->filter > 5) {
 		if(ixjdebug & 0x0001) {
 			printk(KERN_INFO "Cadence out of range\n");