net: blackhole_dev: fix build warning for ethh set but not used

lib/test_blackhole_dev.c sets a variable that is never read, causing
this following building warning:

	lib/test_blackhole_dev.c:32:17: warning: variable 'ethh' set but not used [-Wunused-but-set-variable]

Remove the variable struct ethhdr *ethh, which is unused.

Fixes: 509e56b37cc3 ("blackhole_dev: add a selftest")
Signed-off-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/lib/test_blackhole_dev.c b/lib/test_blackhole_dev.c
index 4c40580a99a364b861f8f180e295300f461a7f12..f247089d63c0852dab192b17e58a637f39644277 100644 (file)
--- a/lib/test_blackhole_dev.c
+++ b/lib/test_blackhole_dev.c
@@ -29,7 +29,6 @@ static int __init test_blackholedev_init(void)
 {
        struct ipv6hdr *ip6h;
        struct sk_buff *skb;
-       struct ethhdr *ethh;
        struct udphdr *uh;
        int data_len;
        int ret;
@@ -61,7 +60,7 @@ static int __init test_blackholedev_init(void)
        ip6h->saddr = in6addr_loopback;
        ip6h->daddr = in6addr_loopback;
        /* Ether */
-       ethh = (struct ethhdr *)skb_push(skb, sizeof(struct ethhdr));
+       skb_push(skb, sizeof(struct ethhdr));
        skb_set_mac_header(skb, 0);
 
        skb->protocol = htons(ETH_P_IPV6);