| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.2 052/143] net: fix __ip_mc_inc_group usage | Date | Wed, 4 Sep 2019 19:53:15 +0200 |
| |
From: Li RongQing <lirongqing@baidu.com>
[ Upstream commit a1c4cd67840ef80f6ca5f73326fa9a6719303a95 ]
in ip_mc_inc_group, memory allocation flag, not mcast mode, is expected by __ip_mc_inc_group
similar issue in __ip_mc_join_group, both mcase mode and gfp_t are needed here, so use ____ip_mc_inc_group(...)
Fixes: 9fb20801dab4 ("net: Fix ip_mc_{dec,inc}_group allocation context") Signed-off-by: Li RongQing <lirongqing@baidu.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Zhang Yu <zhangyu31@baidu.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- net/ipv4/igmp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1474,7 +1474,7 @@ EXPORT_SYMBOL(__ip_mc_inc_group); void ip_mc_inc_group(struct in_device *in_dev, __be32 addr) { - __ip_mc_inc_group(in_dev, addr, MCAST_EXCLUDE); + __ip_mc_inc_group(in_dev, addr, GFP_KERNEL); } EXPORT_SYMBOL(ip_mc_inc_group); @@ -2196,7 +2196,7 @@ static int __ip_mc_join_group(struct soc iml->sflist = NULL; iml->sfmode = mode; rcu_assign_pointer(inet->mc_list, iml); - __ip_mc_inc_group(in_dev, addr, mode); + ____ip_mc_inc_group(in_dev, addr, mode, GFP_KERNEL); err = 0; done: return err;
|