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Commit 8690bfa1 authored by Andy Grover's avatar Andy Grover
Browse files

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



Favor "if (foo)" style over "if (foo != NULL)".

Signed-off-by: default avatarAndy Grover <andy.grover@oracle.com>
parent 2dc39357
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+1 −1
Original line number Diff line number Diff line
@@ -62,7 +62,7 @@ static int rds_release(struct socket *sock)
	struct rds_sock *rs;
	unsigned long flags;

	if (sk == NULL)
	if (!sk)
		goto out;

	rs = rds_sk_to_rs(sk);
+2 −2
Original line number Diff line number Diff line
@@ -121,7 +121,7 @@ static int rds_add_bound(struct rds_sock *rs, __be32 addr, __be16 *port)
	do {
		if (rover == 0)
			rover++;
		if (rds_bind_tree_walk(addr, cpu_to_be16(rover), rs) == NULL) {
		if (!rds_bind_tree_walk(addr, cpu_to_be16(rover), rs)) {
			*port = cpu_to_be16(rover);
			ret = 0;
			break;
@@ -184,7 +184,7 @@ int rds_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
		goto out;

	trans = rds_trans_get_preferred(sin->sin_addr.s_addr);
	if (trans == NULL) {
	if (!trans) {
		ret = -EADDRNOTAVAIL;
		rds_remove_bound(rs);
		if (printk_ratelimit())
+3 −3
Original line number Diff line number Diff line
@@ -141,7 +141,7 @@ static struct rds_cong_map *rds_cong_from_addr(__be32 addr)
	unsigned long flags;

	map = kzalloc(sizeof(struct rds_cong_map), GFP_KERNEL);
	if (map == NULL)
	if (!map)
		return NULL;

	map->m_addr = addr;
@@ -159,7 +159,7 @@ static struct rds_cong_map *rds_cong_from_addr(__be32 addr)
	ret = rds_cong_tree_walk(addr, map);
	spin_unlock_irqrestore(&rds_cong_lock, flags);

	if (ret == NULL) {
	if (!ret) {
		ret = map;
		map = NULL;
	}
@@ -205,7 +205,7 @@ int rds_cong_get_maps(struct rds_connection *conn)
	conn->c_lcong = rds_cong_from_addr(conn->c_laddr);
	conn->c_fcong = rds_cong_from_addr(conn->c_faddr);

	if (conn->c_lcong == NULL || conn->c_fcong == NULL)
	if (!(conn->c_lcong && conn->c_fcong))
		return -ENOMEM;

	return 0;
+2 −2
Original line number Diff line number Diff line
@@ -148,7 +148,7 @@ static struct rds_connection *__rds_conn_create(__be32 laddr, __be32 faddr,
		goto out;

	conn = kmem_cache_zalloc(rds_conn_slab, gfp);
	if (conn == NULL) {
	if (!conn) {
		conn = ERR_PTR(-ENOMEM);
		goto out;
	}
@@ -502,7 +502,7 @@ int __init rds_conn_init(void)
	rds_conn_slab = kmem_cache_create("rds_connection",
					  sizeof(struct rds_connection),
					  0, 0, NULL);
	if (rds_conn_slab == NULL)
	if (!rds_conn_slab)
		return -ENOMEM;

	rds_info_register_func(RDS_INFO_CONNECTIONS, rds_conn_info);
+7 −7
Original line number Diff line number Diff line
@@ -230,7 +230,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
	 * the rds_ibdev at all.
	 */
	rds_ibdev = ib_get_client_data(dev, &rds_ib_client);
	if (rds_ibdev == NULL) {
	if (!rds_ibdev) {
		if (printk_ratelimit())
			printk(KERN_NOTICE "RDS/IB: No client_data for device %s\n",
					dev->name);
@@ -306,7 +306,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
					   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;
@@ -316,7 +316,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
					   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;
@@ -324,14 +324,14 @@ static int rds_ib_setup_qp(struct rds_connection *conn)

	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_ib_send_work));
	if (ic->i_sends == NULL) {
	if (!ic->i_sends) {
		ret = -ENOMEM;
		rdsdebug("send allocation failed\n");
		goto out;
@@ -339,7 +339,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn)
	memset(ic->i_sends, 0, ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work));

	ic->i_recvs = vmalloc(ic->i_recv_ring.w_nr * sizeof(struct rds_ib_recv_work));
	if (ic->i_recvs == NULL) {
	if (!ic->i_recvs) {
		ret = -ENOMEM;
		rdsdebug("recv allocation failed\n");
		goto out;
@@ -693,7 +693,7 @@ int rds_ib_conn_alloc(struct rds_connection *conn, gfp_t gfp)

	/* XXX too lazy? */
	ic = kzalloc(sizeof(struct rds_ib_connection), GFP_KERNEL);
	if (ic == NULL)
	if (!ic)
		return -ENOMEM;

	INIT_LIST_HEAD(&ic->ib_node);
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