net-ipv6: Delete an unnecessary check before the function call "free_percpu"

The free_percpu() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1a1122a..6090969 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -369,10 +369,7 @@ static void ip6_dst_destroy(struct dst_entry *dst)
        struct inet6_dev *idev;
 
        dst_destroy_metrics_generic(dst);
-
-       if (rt->rt6i_pcpu)
-               free_percpu(rt->rt6i_pcpu);
-
+       free_percpu(rt->rt6i_pcpu);
        rt6_uncached_list_del(rt);
 
        idev = rt->rt6i_idev;