Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify
[cascardo/linux.git] / net / rds / iw_recv.c
index 3d47906..5e57347 100644 (file)
@@ -53,7 +53,7 @@ static void rds_iw_frag_drop_page(struct rds_page_frag *frag)
 static void rds_iw_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_iw_frag_slab, frag);
 }
 
@@ -143,14 +143,14 @@ static int rds_iw_recv_refill_one(struct rds_connection *conn,
        struct ib_sge *sge;
        int ret = -ENOMEM;
 
-       if (recv->r_iwinc == NULL) {
+       if (!recv->r_iwinc) {
                if (!atomic_add_unless(&rds_iw_allocation, 1, rds_iw_sysctl_max_recv_allocation)) {
                        rds_iw_stats_inc(s_iw_rx_alloc_limit);
                        goto out;
                }
                recv->r_iwinc = kmem_cache_alloc(rds_iw_incoming_slab,
                                                 kptr_gfp);
-               if (recv->r_iwinc == NULL) {
+               if (!recv->r_iwinc) {
                        atomic_dec(&rds_iw_allocation);
                        goto out;
                }
@@ -158,17 +158,17 @@ static int rds_iw_recv_refill_one(struct rds_connection *conn,
                rds_inc_init(&recv->r_iwinc->ii_inc, conn, conn->c_faddr);
        }
 
-       if (recv->r_frag == NULL) {
+       if (!recv->r_frag) {
                recv->r_frag = kmem_cache_alloc(rds_iw_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;
        }
@@ -273,7 +273,7 @@ int rds_iw_recv_refill(struct rds_connection *conn, gfp_t kptr_gfp,
        return ret;
 }
 
-void rds_iw_inc_purge(struct rds_incoming *inc)
+static void rds_iw_inc_purge(struct rds_incoming *inc)
 {
        struct rds_iw_incoming *iwinc;
        struct rds_page_frag *frag;
@@ -716,7 +716,7 @@ static void rds_iw_process_recv(struct rds_connection *conn,
         * into the inc and save the inc so we can hang upcoming fragments
         * off its list.
         */
-       if (iwinc == NULL) {
+       if (!iwinc) {
                iwinc = recv->r_iwinc;
                recv->r_iwinc = NULL;
                ic->i_iwinc = iwinc;
@@ -887,7 +887,7 @@ int rds_iw_recv(struct rds_connection *conn)
        return ret;
 }
 
-int __init rds_iw_recv_init(void)
+int rds_iw_recv_init(void)
 {
        struct sysinfo si;
        int ret = -ENOMEM;
@@ -899,13 +899,13 @@ int __init rds_iw_recv_init(void)
        rds_iw_incoming_slab = kmem_cache_create("rds_iw_incoming",
                                        sizeof(struct rds_iw_incoming),
                                        0, 0, NULL);
-       if (rds_iw_incoming_slab == NULL)
+       if (!rds_iw_incoming_slab)
                goto out;
 
        rds_iw_frag_slab = kmem_cache_create("rds_iw_frag",
                                        sizeof(struct rds_page_frag),
                                        0, 0, NULL);
-       if (rds_iw_frag_slab == NULL)
+       if (!rds_iw_frag_slab)
                kmem_cache_destroy(rds_iw_incoming_slab);
        else
                ret = 0;