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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: 509e56b37c ("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>
This commit is contained in:
Breno Leitao 2024-02-02 07:13:29 -08:00 committed by David S. Miller
parent c3b39ea237
commit 843a8851e8
1 changed files with 1 additions and 2 deletions
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3
lib/test_blackhole_dev.c
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@ -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);