From: Eric Dumazet <edumazet@google.com>
Date: Tue, 5 Nov 2019 22:11:49 +0000 (-0800)
Subject: net: neigh: use long type to store jiffies delta
X-Git-Tag: v5.4.15~28
X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=e9a6f09fc29ca36ae5a6df7644cce51fccf705e7;p=wrapfs-3.14.y.git

net: neigh: use long type to store jiffies delta

[ Upstream commit 9d027e3a83f39b819e908e4e09084277a2e45e95 ]

A difference of two unsigned long needs long storage.

Fixes: c7fb64db001f ("[NETLINK]: Neighbour table configuration and statistics via rtnetlink")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index f2452496ad9f..920784a9b7ff 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -2049,8 +2049,8 @@ static int neightbl_fill_info(struct sk_buff *skb, struct neigh_table *tbl,
 		goto nla_put_failure;
 	{
 		unsigned long now = jiffies;
-		unsigned int flush_delta = now - tbl->last_flush;
-		unsigned int rand_delta = now - tbl->last_rand;
+		long flush_delta = now - tbl->last_flush;
+		long rand_delta = now - tbl->last_rand;
 		struct neigh_hash_table *nht;
 		struct ndt_config ndc = {
 			.ndtc_key_len		= tbl->key_len,