net: Fix fib notifer to return errno
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>
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@ -13,16 +13,22 @@ int call_fib_notifier(struct notifier_block *nb, struct net *net,
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enum fib_event_type event_type,
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struct fib_notifier_info *info)
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{
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int err;
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info->net = net;
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return nb->notifier_call(nb, event_type, info);
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err = nb->notifier_call(nb, event_type, info);
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return notifier_to_errno(err);
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}
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EXPORT_SYMBOL(call_fib_notifier);
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int call_fib_notifiers(struct net *net, enum fib_event_type event_type,
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struct fib_notifier_info *info)
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{
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int err;
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info->net = net;
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return atomic_notifier_call_chain(&fib_chain, event_type, info);
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err = atomic_notifier_call_chain(&fib_chain, event_type, info);
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return notifier_to_errno(err);
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}
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EXPORT_SYMBOL(call_fib_notifiers);
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