sctp: fix return value check in __sctp_rcv_asconf_lookup

[ Upstream commit 557fb5862c9272ad9b21407afe1da8acfd9b53eb ]

As Ben Hutchings noticed, this check should have been inverted: the call
returns true in case of success.

Reported-by: Ben Hutchings <ben@decadent.org.uk>
Fixes: 0c5dc070ff3d ("sctp: validate from_addr_param return")
Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Reviewed-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/net/sctp/input.c b/net/sctp/input.c
index 1af35b69e99e9891945517519359e0a07aa91b33..90428c59cfaf8292034e35351a8c0a764cd3b3ba 100644 (file)
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -1125,7 +1125,7 @@ static struct sctp_association *__sctp_rcv_asconf_lookup(
        if (unlikely(!af))
                return NULL;
 
-       if (af->from_addr_param(&paddr, param, peer_port, 0))
+       if (!af->from_addr_param(&paddr, param, peer_port, 0))
                return NULL;
 
        return __sctp_lookup_association(net, laddr, &paddr, transportp);