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net: fib_notifier: propagate extack down to the notifier block callback

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Since errors are propagated all the way up to the caller, propagate
possible extack of the caller all the way down to the notifier block
callback.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko
2019-10-03 11:49:30 +02:00
committed by David S. Miller
parent 3f9e5c119a
commit b7a595577e
20 changed files with 105 additions and 61 deletions
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12
net/ipv4/ipmr_base.c
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@@ -386,15 +386,17 @@ EXPORT_SYMBOL(mr_rtm_dumproute);
int mr_dump(struct net *net, struct notifier_block *nb, unsigned short family,
int (*rules_dump)(struct net *net,
struct notifier_block *nb),
struct notifier_block *nb,
struct netlink_ext_ack *extack),
struct mr_table *(*mr_iter)(struct net *net,
struct mr_table *mrt),
rwlock_t *mrt_lock)
rwlock_t *mrt_lock,
struct netlink_ext_ack *extack)
{
struct mr_table *mrt;
int err;
err = rules_dump(net, nb);
err = rules_dump(net, nb, extack);
if (err)
return err;
@@ -411,7 +413,7 @@ int mr_dump(struct net *net, struct notifier_block *nb, unsigned short family,
err = mr_call_vif_notifier(nb, family,
FIB_EVENT_VIF_ADD,
v, vifi, mrt->id);
v, vifi, mrt->id, extack);
if (err)
break;
}
@@ -424,7 +426,7 @@ int mr_dump(struct net *net, struct notifier_block *nb, unsigned short family,
list_for_each_entry_rcu(mfc, &mrt->mfc_cache_list, list) {
err = mr_call_mfc_notifier(nb, family,
FIB_EVENT_ENTRY_ADD,
mfc, mrt->id);
mfc, mrt->id, extack);
if (err)
return err;
}