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authorStefano Brivio <sbrivio@redhat.com>2019-06-21 17:45:21 +0200
committerDavid S. Miller <davem@davemloft.net>2019-06-24 10:18:48 -0700
commitb597ca6e8312937450dbae945f9d58c6eb35da0e (patch)
treed0a4846d36d3a10bb81dcb200d8bb91506540639 /net/ipv4/fib_frontend.c
parent564c91f7e563256be835f31db97a60908702c9ec (diff)
downloadlinux-b597ca6e8312937450dbae945f9d58c6eb35da0e.tar.gz
ipv4/fib_frontend: Allow RTM_F_CLONED flag to be used for filtering
This functionally reverts the check introduced by commit
e8ba330ac0c5 ("rtnetlink: Update fib dumps for strict data checking")
as modified by commit e4e92fb160d7 ("net/ipv4: Bail early if user only
wants prefix entries").

As we are preparing to fix listing of IPv4 cached routes, we need to
give userspace a way to request them.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/fib_frontend.c')
-rw-r--r--net/ipv4/fib_frontend.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index ed7fb5fd885c..317339cd7f03 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -987,8 +987,8 @@ static int inet_dump_fib(struct sk_buff *skb, struct netlink_callback *cb)
 		filter.flags = rtm->rtm_flags & (RTM_F_PREFIX | RTM_F_CLONED);
 	}
 
-	/* fib entries are never clones and ipv4 does not use prefix flag */
-	if (filter.flags & (RTM_F_PREFIX | RTM_F_CLONED))
+	/* ipv4 does not use prefix flag */
+	if (filter.flags & RTM_F_PREFIX)
 		return skb->len;
 
 	if (filter.table_id) {