[PATCH 4.19 05/32] ipv4/igmp: fix build error if !CONFIG_IP_MULTICAST

Greg Kroah-Hartman
2019-06-03T09:19:00Z

From: Eric Dumazet <edumazet@google.com>

[ Upstream commit 903869bd10e6719b9df6718e785be7ec725df59f ]

ip_sf_list_clear_all() needs to be defined even if !CONFIG_IP_MULTICAST

Fixes: 3580d04aa674 ("ipv4/igmp: fix another memory leak in igmpv3_del_delrec()")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
net/ipv4/igmp.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)

--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -190,6 +190,17 @@ static void ip_ma_put(struct ip_mc_list
pmc != NULL; \
pmc = rtnl_dereference(pmc->next_rcu))

+static void ip_sf_list_clear_all(struct ip_sf_list *psf)
+{
+ struct ip_sf_list *next;
+
+ while (psf) {
+ next = psf->sf_next;
+ kfree(psf);
+ psf = next;
+ }
+}
+
#ifdef CONFIG_IP_MULTICAST

/*
@@ -635,17 +646,6 @@ static void igmpv3_clear_zeros(struct ip
}
}

-static void ip_sf_list_clear_all(struct ip_sf_list *psf)
-{
- struct ip_sf_list *next;
-
- while (psf) {
- next = psf->sf_next;
- kfree(psf);
- psf = next;
- }
-}
-
static void kfree_pmc(struct ip_mc_list *pmc)
{
ip_sf_list_clear_all(pmc->sources);