[PATCH RFC net-next 1/7] net: Fix fib notifer to return errno
From: David Ahern <hidden>
Date: 2018-03-22 22:58:13
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
Notifier handlers use notifier_from_errno to convert any potential error to an encoded format. As a consequence the other side, call_fib_notifiers 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 <redacted> --- net/core/fib_notifier.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/net/core/fib_notifier.c b/net/core/fib_notifier.c
index 5ace0705a3f9..14ba52ebe8c9 100644
--- a/net/core/fib_notifier.c
+++ b/net/core/fib_notifier.c@@ -21,8 +21,11 @@ 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);
--
2.11.0