RDS: cleanup: remove "== NULL"s and "!= NULL"s in ptr comparisons

[net-next-2.6.git] / net / rds / ib_recv.c

diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c
index c74e9904a6b2c20872917c79bf06a905c1ecd403..d0ee9c114c6c8029ad4a26e6c06c7d66ce28f650 100644 (file)
--- a/net/rds/ib_recv.c
+++ b/net/rds/ib_recv.c
@@ -53,7 +53,7 @@ static void rds_ib_frag_drop_page(struct rds_page_frag *frag)
 static void rds_ib_frag_free(struct rds_page_frag *frag)
 {
        rdsdebug("frag %p page %p\n", frag, frag->f_page);
-       BUG_ON(frag->f_page != NULL);
+       BUG_ON(frag->f_page);
        kmem_cache_free(rds_ib_frag_slab, frag);
 }
 
@@ -143,14 +143,14 @@ static int rds_ib_recv_refill_one(struct rds_connection *conn,
        struct ib_sge *sge;
        int ret = -ENOMEM;
 
-       if (recv->r_ibinc == NULL) {
+       if (!recv->r_ibinc) {
                if (!atomic_add_unless(&rds_ib_allocation, 1, rds_ib_sysctl_max_recv_allocation)) {
                        rds_ib_stats_inc(s_ib_rx_alloc_limit);
                        goto out;
                }
                recv->r_ibinc = kmem_cache_alloc(rds_ib_incoming_slab,
                                                 kptr_gfp);
-               if (recv->r_ibinc == NULL) {
+               if (!recv->r_ibinc) {
                        atomic_dec(&rds_ib_allocation);
                        goto out;
                }
@@ -158,17 +158,17 @@ static int rds_ib_recv_refill_one(struct rds_connection *conn,
                rds_inc_init(&recv->r_ibinc->ii_inc, conn, conn->c_faddr);
        }
 
-       if (recv->r_frag == NULL) {
+       if (!recv->r_frag) {
                recv->r_frag = kmem_cache_alloc(rds_ib_frag_slab, kptr_gfp);
-               if (recv->r_frag == NULL)
+               if (!recv->r_frag)
                        goto out;
                INIT_LIST_HEAD(&recv->r_frag->f_item);
                recv->r_frag->f_page = NULL;
        }
 
-       if (ic->i_frag.f_page == NULL) {
+       if (!ic->i_frag.f_page) {
                ic->i_frag.f_page = alloc_page(page_gfp);
-               if (ic->i_frag.f_page == NULL)
+               if (!ic->i_frag.f_page)
                        goto out;
                ic->i_frag.f_offset = 0;
        }
@@ -757,7 +757,7 @@ static void rds_ib_process_recv(struct rds_connection *conn,
         * into the inc and save the inc so we can hang upcoming fragments
         * off its list.
         */
-       if (ibinc == NULL) {
+       if (!ibinc) {
                ibinc = recv->r_ibinc;
                recv->r_ibinc = NULL;
                ic->i_ibinc = ibinc;
@@ -940,13 +940,13 @@ int __init rds_ib_recv_init(void)
        rds_ib_incoming_slab = kmem_cache_create("rds_ib_incoming",
                                        sizeof(struct rds_ib_incoming),
                                        0, 0, NULL);
-       if (rds_ib_incoming_slab == NULL)
+       if (!rds_ib_incoming_slab)
                goto out;
 
        rds_ib_frag_slab = kmem_cache_create("rds_ib_frag",
                                        sizeof(struct rds_page_frag),
                                        0, 0, NULL);
-       if (rds_ib_frag_slab == NULL)
+       if (!rds_ib_frag_slab)
                kmem_cache_destroy(rds_ib_incoming_slab);
        else
                ret = 0;