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Commit c1d7ee67 authored by David Ahern's avatar David Ahern Committed by David S. Miller
Browse files

net/ipv4: Allow notifier to fail route replace 



Add checking to call to call_fib_entry_notifiers for IPv4 route replace.
Allows a notifier handler to fail the replace.

Signed-off-by: default avatarDavid Ahern <dsa@cumulusnetworks.com>
Reviewed-by: default avatarIdo Schimmel <idosch@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6635f311

net/ipv4/fib_trie.c

+7 −2
Original line number Diff line number Diff line
@@ -1219,8 +1219,13 @@ int fib_table_insert(struct net *net, struct fib_table *tb, 
			new_fa->tb_id = tb->tb_id;

			new_fa->fa_default = -1;



			call_fib_entry_notifiers(net, FIB_EVENT_ENTRY_REPLACE,

						 key, plen, new_fa, extack);

			err = call_fib_entry_notifiers(net,

						       FIB_EVENT_ENTRY_REPLACE,

						       key, plen, new_fa,

						       extack);

			if (err)

				goto out_free_new_fa;



			rtmsg_fib(RTM_NEWROUTE, htonl(key), new_fa, plen,

				  tb->tb_id, &cfg->fc_nlinfo, nlflags);