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net: Fix fib notifer to return errno

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Notifier handlers use notifier_from_errno to convert any potential error
to an encoded format. As a consequence the other side, call_fib_notifier{s}
in this case, needs to use notifier_to_errno to return the error from
the handler back to its caller.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2018-03-27 18:21:55 -07:00 committed by David S. Miller
parent 6e2135ce54
commit c30d9356e9
1 changed files with 8 additions and 2 deletions
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10
net/core/fib_notifier.c
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@ -13,16 +13,22 @@ int call_fib_notifier(struct notifier_block *nb, struct net *net,
enum fib_event_type event_type,
struct fib_notifier_info *info)
{
int err;
info->net = net;
return nb->notifier_call(nb, event_type, info);
err = nb->notifier_call(nb, event_type, info);
return notifier_to_errno(err);
}
EXPORT_SYMBOL(call_fib_notifier);
int call_fib_notifiers(struct net *net, enum fib_event_type event_type,
struct fib_notifier_info *info)
{
int err;
info->net = net;
return atomic_notifier_call_chain(&fib_chain, event_type, info);
err = atomic_notifier_call_chain(&fib_chain, event_type, info);
return notifier_to_errno(err);
}
EXPORT_SYMBOL(call_fib_notifiers);