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net: fix __ip_mc_inc_group usage 

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: 9fb20801da ("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>
This commit is contained in:
Li RongQing 2019-08-20 13:52:47 +08:00 committed by David S. Miller
parent 96a1b033ac
commit a1c4cd6784
1 changed files with 2 additions and 2 deletions
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4
net/ipv4/igmp.c
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@ -1475,7 +1475,7 @@ 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);
@ -2197,7 +2197,7 @@ static int __ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr,
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;