2.6.38-stable review patch. If anyone has any objections, please let us know.
------------------ From: Eric Dumazet <[email protected]> [ Upstream commit e2666f84958adb3a034b98e99699b55705117e01 ] Daniel J Blueman reported a lockdep splat in trie_firstleaf(), caused by RTNL being not locked before a call to fib_table_flush() Reported-by: Daniel J Blueman <[email protected]> Signed-off-by: Eric Dumazet <[email protected]> Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- net/ipv4/fib_frontend.c | 2 ++ 1 file changed, 2 insertions(+) --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -1041,6 +1041,7 @@ static void ip_fib_net_exit(struct net * fib4_rules_exit(net); #endif + rtnl_lock(); for (i = 0; i < FIB_TABLE_HASHSZ; i++) { struct fib_table *tb; struct hlist_head *head; @@ -1053,6 +1054,7 @@ static void ip_fib_net_exit(struct net * fib_free_table(tb); } } + rtnl_unlock(); kfree(net->ipv4.fib_table_hash); } _______________________________________________ stable mailing list [email protected] http://linux.kernel.org/mailman/listinfo/stable
