From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Simon Wunderlich Subject: [PATCH 1/2] batman-adv: Fix netlink dumping of all mcast_flags buckets Date: Thu, 8 Aug 2019 15:02:07 +0200 Message-Id: <20190808130208.2124-2-sw@simonwunderlich.de> In-Reply-To: <20190808130208.2124-1-sw@simonwunderlich.de> References: <20190808130208.2124-1-sw@simonwunderlich.de> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: davem@davemloft.net Cc: netdev@vger.kernel.org, b.a.t.m.a.n@lists.open-mesh.org, Sven Eckelmann , Simon Wunderlich From: Sven Eckelmann The bucket variable is only updated outside the loop over the mcast_flags buckets. It will only be updated during a dumping run when the dumping has to be interrupted and a new message has to be started. This could result in repeated or missing entries when the multicast flags are dumped to userspace. Fixes: d2d489b7d851 ("batman-adv: Add inconsistent multicast netlink dump detection") Signed-off-by: Sven Eckelmann Signed-off-by: Simon Wunderlich --- net/batman-adv/multicast.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index 67d7f83009ae..a3488cfb3d1e 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -2303,7 +2303,7 @@ __batadv_mcast_flags_dump(struct sk_buff *msg, u32 portid, while (bucket_tmp < hash->size) { if (batadv_mcast_flags_dump_bucket(msg, portid, cb, hash, - *bucket, &idx_tmp)) + bucket_tmp, &idx_tmp)) break; bucket_tmp++; -- 2.20.1