diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
index b5dd6ac..712cf2d 100644
--- a/net/rds/iw_cm.c
+++ b/net/rds/iw_cm.c
@@ -257,7 +257,7 @@
 	 * the rds_iwdev at all.
 	 */
 	rds_iwdev = ib_get_client_data(dev, &rds_iw_client);
-	if (rds_iwdev == NULL) {
+	if (!rds_iwdev) {
 		if (printk_ratelimit())
 			printk(KERN_NOTICE "RDS/IW: No client_data for device %s\n",
 					dev->name);
@@ -292,7 +292,7 @@
 					   ic->i_send_ring.w_nr *
 						sizeof(struct rds_header),
 					   &ic->i_send_hdrs_dma, GFP_KERNEL);
-	if (ic->i_send_hdrs == NULL) {
+	if (!ic->i_send_hdrs) {
 		ret = -ENOMEM;
 		rdsdebug("ib_dma_alloc_coherent send failed\n");
 		goto out;
@@ -302,7 +302,7 @@
 					   ic->i_recv_ring.w_nr *
 						sizeof(struct rds_header),
 					   &ic->i_recv_hdrs_dma, GFP_KERNEL);
-	if (ic->i_recv_hdrs == NULL) {
+	if (!ic->i_recv_hdrs) {
 		ret = -ENOMEM;
 		rdsdebug("ib_dma_alloc_coherent recv failed\n");
 		goto out;
@@ -310,14 +310,14 @@
 
 	ic->i_ack = ib_dma_alloc_coherent(dev, sizeof(struct rds_header),
 				       &ic->i_ack_dma, GFP_KERNEL);
-	if (ic->i_ack == NULL) {
+	if (!ic->i_ack) {
 		ret = -ENOMEM;
 		rdsdebug("ib_dma_alloc_coherent ack failed\n");
 		goto out;
 	}
 
 	ic->i_sends = vmalloc(ic->i_send_ring.w_nr * sizeof(struct rds_iw_send_work));
-	if (ic->i_sends == NULL) {
+	if (!ic->i_sends) {
 		ret = -ENOMEM;
 		rdsdebug("send allocation failed\n");
 		goto out;
@@ -325,7 +325,7 @@
 	rds_iw_send_init_ring(ic);
 
 	ic->i_recvs = vmalloc(ic->i_recv_ring.w_nr * sizeof(struct rds_iw_recv_work));
-	if (ic->i_recvs == NULL) {
+	if (!ic->i_recvs) {
 		ret = -ENOMEM;
 		rdsdebug("recv allocation failed\n");
 		goto out;
@@ -696,7 +696,7 @@
 
 	/* XXX too lazy? */
 	ic = kzalloc(sizeof(struct rds_iw_connection), GFP_KERNEL);
-	if (ic == NULL)
+	if (!ic)
 		return -ENOMEM;
 
 	INIT_LIST_HEAD(&ic->iw_node);