ipv6: raw: remove useless input parameter in rawv6_get/seticmpfilter

The input parameter 'level' in rawv6_get/seticmpfilter is not used.
Therefore, remove it.
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/ipv6/raw.c

@@ -934,7 +934,7 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 	goto done;
 }
 
-static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
+static int rawv6_seticmpfilter(struct sock *sk, int optname,
 			       sockptr_t optval, int optlen)
 {
 	switch (optname) {
@@ -951,7 +951,7 @@ static int rawv6_seticmpfilter(struct sock *sk, int level, int optname,
 	return 0;
 }
 
-static int rawv6_geticmpfilter(struct sock *sk, int level, int optname,
+static int rawv6_geticmpfilter(struct sock *sk, int optname,
 			       char __user *optval, int __user *optlen)
 {
 	int len;
@@ -1037,7 +1037,7 @@ static int rawv6_setsockopt(struct sock *sk, int level, int optname,
 	case SOL_ICMPV6:
 		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
 			return -EOPNOTSUPP;
-		return rawv6_seticmpfilter(sk, level, optname, optval, optlen);
+		return rawv6_seticmpfilter(sk, optname, optval, optlen);
 	case SOL_IPV6:
 		if (optname == IPV6_CHECKSUM ||
 		    optname == IPV6_HDRINCL)
@@ -1098,7 +1098,7 @@ static int rawv6_getsockopt(struct sock *sk, int level, int optname,
 	case SOL_ICMPV6:
 		if (inet_sk(sk)->inet_num != IPPROTO_ICMPV6)
 			return -EOPNOTSUPP;
-		return rawv6_geticmpfilter(sk, level, optname, optval, optlen);
+		return rawv6_geticmpfilter(sk, optname, optval, optlen);
 	case SOL_IPV6:
 		if (optname == IPV6_CHECKSUM ||
 		    optname == IPV6_HDRINCL)