RDMA/amso1100: Fix compile warnings

Fix compile warnings on 32-bit by using "0" instead of "(u64) NULL" to
assign to "c2_vq_req->reply_msg".

Signed-off-by: Ralf Thielow <ralf.thielow@googlemail.com>
[ Change from "(unsigned long) NULL" to plain old "0" as suggested by
  Bart Van Assche <bvanassche@acm.org>.  - Roland ]

Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/amso1100/c2_vq.c b/drivers/infiniband/hw/amso1100/c2_vq.c
index 9ce7819..2ec716f 100644 (file)
--- a/drivers/infiniband/hw/amso1100/c2_vq.c
+++ b/drivers/infiniband/hw/amso1100/c2_vq.c
@@ -107,7 +107,7 @@ struct c2_vq_req *vq_req_alloc(struct c2_dev *c2dev)
        r = kmalloc(sizeof(struct c2_vq_req), GFP_KERNEL);
        if (r) {
                init_waitqueue_head(&r->wait_object);
-               r->reply_msg = (u64) NULL;
+               r->reply_msg = 0;
                r->event = 0;
                r->cm_id = NULL;
                r->qp = NULL;
@@ -123,7 +123,7 @@ struct c2_vq_req *vq_req_alloc(struct c2_dev *c2dev)
  */
 void vq_req_free(struct c2_dev *c2dev, struct c2_vq_req *r)
 {
-       r->reply_msg = (u64) NULL;
+       r->reply_msg = 0;
        if (atomic_dec_and_test(&r->refcnt)) {
                kfree(r);
        }
@@ -151,7 +151,7 @@ void vq_req_get(struct c2_dev *c2dev, struct c2_vq_req *r)
 void vq_req_put(struct c2_dev *c2dev, struct c2_vq_req *r)
 {
        if (atomic_dec_and_test(&r->refcnt)) {
-               if (r->reply_msg != (u64) NULL)
+               if (r->reply_msg != 0)
                        vq_repbuf_free(c2dev,
                                       (void *) (unsigned long) r->reply_msg);
                kfree(r);