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authorDavid Ahern <dsahern@gmail.com>2019-04-24 04:06:30 +0300
committerDavid S. Miller <davem@davemloft.net>2019-04-24 07:52:33 +0300
commitb2f97f7de2f6a4df8e431330cf467576486651c5 (patch)
tree65035cf5ac604d66065dd1be2b71c1986f6ccacc /net/ipv6
parent7973d9e76727aa42f0824f5569e96248a572d50b (diff)
downloadlinux-b2f97f7de2f6a4df8e431330cf467576486651c5.tar.xz
ipv6: fib6_rule_action_alt needs to return -EAGAIN
fib rule actions should return -EAGAIN for the rules to continue to the next one. A recent change overwrote err with the lookup always returning 0 (future change will make it more like IPv4) which means the rules stopped at the first (e.g., local table lookup only). Catch and reset err to -EAGAIN. Fixes: effda4dd97e87 ("ipv6: Pass fib6_result to fib lookups") Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/fib6_rules.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index ab5ac643bae8..dbedbe655c91 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -157,7 +157,7 @@ static int fib6_rule_action_alt(struct fib_rule *rule, struct flowi *flp,
struct flowi6 *flp6 = &flp->u.ip6;
struct net *net = rule->fr_net;
struct fib6_table *table;
- int err = -EAGAIN, *oif;
+ int err, *oif;
u32 tb_id;
switch (rule->action) {
@@ -182,6 +182,8 @@ static int fib6_rule_action_alt(struct fib_rule *rule, struct flowi *flp,
if (!err && res->f6i != net->ipv6.fib6_null_entry)
err = fib6_rule_saddr(net, rule, flags, flp6,
res->nh->fib_nh_dev);
+ else
+ err = -EAGAIN;
return err;
}