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tipc: honor msg2addr return value

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The UDP msg2addr function tipc_udp_msg2addr() can return -EINVAL which
prior to this patch was unhanded in the caller.

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Richard Alpe 2016-06-27 13:34:06 +02:00 committed by David S. Miller
parent 8a01ed70eb
commit e99429232e
1 changed files with 4 additions and 1 deletions
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5
net/tipc/discover.c
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@ -135,9 +135,12 @@ void tipc_disc_rcv(struct net *net, struct sk_buff *skb,
u16 caps = msg_node_capabilities(hdr);
bool respond = false;
bool dupl_addr = false;
int err;
bearer->media->msg2addr(bearer, &maddr, msg_media_addr(hdr));
err = bearer->media->msg2addr(bearer, &maddr, msg_media_addr(hdr));
kfree_skb(skb);
if (err)
return;
/* Ensure message from node is valid and communication is permitted */
if (net_id != tn->net_id)