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rxrpc: Fix checking of error from ip6_route_output() 

ip6_route_output() doesn't return a negative error when it fails, rather
the ->error field of the returned dst_entry struct needs to be checked.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 75b54cb57c ("rxrpc: Add IPv6 support")
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2016-10-13 08:43:17 +01:00
parent 54fde42345
commit 07096f612f
1 changed files with 2 additions and 2 deletions
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4
net/rxrpc/peer_object.c
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@ -193,8 +193,8 @@ static void rxrpc_assess_MTU_size(struct rxrpc_peer *peer)
fl6->fl6_dport = htons(7001);
fl6->fl6_sport = htons(7000);
dst = ip6_route_output(&init_net, NULL, fl6);
if (IS_ERR(dst)) {
_leave(" [route err %ld]", PTR_ERR(dst));
if (dst->error) {
_leave(" [route err %d]", dst->error);
return;
}
break;