From: Sachin Kamat <sachin.kamat@samsung.com>
Date: Fri, 20 Jun 2014 09:02:31 +0000 (+0530)
Subject: thunderbolt: Use NULL instead of 0 in switch.c
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c9c2deef457c766a33c4862c9c198c20854d5fb6;p=linux-beck.git

thunderbolt: Use NULL instead of 0 in switch.c

The function returns a pointer. Hence return NULL instead of 0.

Signed-off-by: Sachin Kamat <sachin.kamat@samsung.com>
Acked-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 26e76e4aa835..aeb982969629 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -260,11 +260,11 @@ struct tb_switch *get_switch_at_route(struct tb_switch *sw, u64 route)
 	if (route == 0)
 		return sw;
 	if (next_port > sw->config.max_port_number)
-		return 0;
+		return NULL;
 	if (tb_is_upstream_port(&sw->ports[next_port]))
-		return 0;
+		return NULL;
 	if (!sw->ports[next_port].remote)
-		return 0;
+		return NULL;
 	return get_switch_at_route(sw->ports[next_port].remote->sw,
 				   route >> TB_ROUTE_SHIFT);
 }