netdev - [PATCH iproute2-next v2 5/8] ipneigh: Use inet_addr_match

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Date:   Tue, 23 Jan 2018 21:19:27 +0200
From:   Serhey Popovych <serhe.popovych@...il.com>
To:     netdev@...r.kernel.org
Subject: [PATCH iproute2-next v2 5/8] ipneigh: Use inet_addr_match_rta()

While there check return from get_prefix() for filter address.

Signed-off-by: Serhey Popovych <serhe.popovych@...il.com>
---
 ip/ipneigh.c |   13 ++++---------
 1 file changed, 4 insertions(+), 9 deletions(-)

diff --git a/ip/ipneigh.c b/ip/ipneigh.c
index 11f280d..0735424 100644
--- a/ip/ipneigh.c
+++ b/ip/ipneigh.c
@@ -234,15 +234,9 @@ int print_neigh(const struct sockaddr_nl *who, struct nlmsghdr *n, void *arg)
 
 	parse_rtattr(tb, NDA_MAX, NDA_RTA(r), n->nlmsg_len - NLMSG_LENGTH(sizeof(*r)));
 
-	if (tb[NDA_DST]) {
-		if (filter.pfx.family) {
-			inet_prefix dst = { .family = r->ndm_family };
+	if (inet_addr_match_rta(&filter.pfx, tb[NDA_DST]))
+		return 0;
 
-			memcpy(&dst.data, RTA_DATA(tb[NDA_DST]), RTA_PAYLOAD(tb[NDA_DST]));
-			if (inet_addr_match(&dst, &filter.pfx, filter.pfx.bitlen))
-				return 0;
-		}
-	}
 	if (filter.unused_only && tb[NDA_CACHEINFO]) {
 		struct nda_cacheinfo *ci = RTA_DATA(tb[NDA_CACHEINFO]);
 
@@ -418,7 +412,8 @@ static int do_show_or_flush(int argc, char **argv, int flush)
 			}
 			if (matches(*argv, "help") == 0)
 				usage();
-			get_prefix(&filter.pfx, *argv, filter.family);
+			if (get_prefix(&filter.pfx, *argv, filter.family))
+				invarg("to value is invalid\n", *argv);
 			if (filter.family == AF_UNSPEC)
 				filter.family = filter.pfx.family;
 		}
-- 
1.7.10.4