[PATCH v2 net-next] ipv6: sit: remove redundant ret = 0 assignment

[Yue Haibing]

The variable ret is assigned a value at all places where it is used;
There is no need to assign a value when it is initially defined.

Signed-off-by: Yue Haibing <yuehaibing@xxxxxxxxxx>
---
v2: Remove redundant init during definition instead of init before copy_to_user
---
 net/ipv6/sit.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index ef2e5111fb3a..201347b4e127 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -309,7 +309,7 @@ static int ipip6_tunnel_get_prl(struct net_device *dev, struct ip_tunnel_prl __u
 	struct ip_tunnel_prl kprl, *kp;
 	struct ip_tunnel_prl_entry *prl;
 	unsigned int cmax, c = 0, ca, len;
-	int ret = 0;
+	int ret;
 
 	if (dev == dev_to_sit_net(dev)->fb_tunnel_dev)
 		return -EINVAL;
-- 
2.34.1