ipv6: remove redundant assignment to variable err

The variable err is being initialized with a value that is never read
and it is being updated later with a new value. The initialization is
redundant and can be removed.

Addresses-Coverity: ("Unused value")
Signed-off-by: Colin Ian King <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

net/ipv6/seg6.c

···
 
 int __init seg6_init(void)
 {
-	int err = -ENOMEM;
+	int err;
 
 	err = genl_register_family(&seg6_genl_family);
 	if (err)