Commit b443a230 authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller
Browse files

team: use rcu_access_pointer to access RCU pointer by writer 



Signed-off-by: default avatarJiri Pirko <jpirko@redhat.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 1aa2d1da

drivers/net/team/team_mode_activebackup.c

+5 −2
Original line number Diff line number Diff line
@@ -61,8 +61,11 @@ static void ab_port_leave(struct team *team, struct team_port *port) 


static int ab_active_port_get(struct team *team, struct team_gsetter_ctx *ctx)

{

	if (ab_priv(team)->active_port)

		ctx->data.u32_val = ab_priv(team)->active_port->dev->ifindex;

	struct team_port *active_port;



	active_port = rcu_access_pointer(ab_priv(team)->active_port);

	if (active_port)

		ctx->data.u32_val = active_port->dev->ifindex;

	else

		ctx->data.u32_val = 0;

	return 0;

drivers/net/team/team_mode_loadbalance.c

+5 −3
Original line number Diff line number Diff line
@@ -96,7 +96,7 @@ static void lb_tx_hash_to_port_mapping_null_port(struct team *team, 
		struct lb_port_mapping *pm;



		pm = &lb_priv->ex->tx_hash_to_port_mapping[i];

		if (pm->port == port) {

		if (rcu_access_pointer(pm->port) == port) {

			rcu_assign_pointer(pm->port, NULL);

			team_option_inst_set_change(pm->opt_inst_info);

			changed = true;
@@ -292,7 +292,7 @@ static int lb_bpf_func_set(struct team *team, struct team_gsetter_ctx *ctx) 
	if (lb_priv->ex->orig_fprog) {

		/* Clear old filter data */

		__fprog_destroy(lb_priv->ex->orig_fprog);

		sk_unattached_filter_destroy(lb_priv->fp);

		sk_unattached_filter_destroy(rcu_access_pointer(lb_priv->fp));

	}



	rcu_assign_pointer(lb_priv->fp, fp);
@@ -303,9 +303,11 @@ static int lb_bpf_func_set(struct team *team, struct team_gsetter_ctx *ctx) 
static int lb_tx_method_get(struct team *team, struct team_gsetter_ctx *ctx)

{

	struct lb_priv *lb_priv = get_lb_priv(team);

	lb_select_tx_port_func_t *func;

	char *name;



	name = lb_select_tx_port_get_name(lb_priv->select_tx_port_func);

	func = rcu_access_pointer(lb_priv->select_tx_port_func);

	name = lb_select_tx_port_get_name(func);

	BUG_ON(!name);

	ctx->data.str_val = name;

	return 0;