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linux-sg2042
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[NETLINK]: Fix missing dst_groups initializations in netlink_broadcast users 

netlink_broadcast users must initialize NETLINK_CB(skb).dst_groups to the
destination group mask for netlink_recvmsg.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy 2005-08-14 19:25:47 -07:00 committed by David S. Miller
parent ad93e266a1
commit 43e943c32b
3 changed files with 10 additions and 0 deletions
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1
lib/kobject_uevent.c
View File

@ -93,6 +93,7 @@ static int send_uevent(const char *signal, const char *obj,
}
}
NETLINK_CB(skb).dst_groups = 1;
return netlink_broadcast(uevent_sock, skb, 0, 1, gfp_mask);
}

8
net/xfrm/xfrm_user.c
View File

@ -1152,6 +1152,8 @@ static int xfrm_notify_sa_flush(struct km_event *c)
nlh->nlmsg_len = skb->tail - b;
NETLINK_CB(skb).dst_groups = XFRMGRP_SA;
return netlink_broadcast(xfrm_nl, skb, 0, XFRMGRP_SA, GFP_ATOMIC);
nlmsg_failure:
@ -1226,6 +1228,8 @@ static int xfrm_notify_sa(struct xfrm_state *x, struct km_event *c)
nlh->nlmsg_len = skb->tail - b;
NETLINK_CB(skb).dst_groups = XFRMGRP_SA;
return netlink_broadcast(xfrm_nl, skb, 0, XFRMGRP_SA, GFP_ATOMIC);
nlmsg_failure:
@ -1455,6 +1459,8 @@ static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *
nlh->nlmsg_len = skb->tail - b;
NETLINK_CB(skb).dst_groups = XFRMGRP_POLICY;
return netlink_broadcast(xfrm_nl, skb, 0, XFRMGRP_POLICY, GFP_ATOMIC);
nlmsg_failure:
@ -1480,6 +1486,8 @@ static int xfrm_notify_policy_flush(struct km_event *c)
nlh->nlmsg_len = skb->tail - b;
NETLINK_CB(skb).dst_groups = XFRMGRP_POLICY;
return netlink_broadcast(xfrm_nl, skb, 0, XFRMGRP_POLICY, GFP_ATOMIC);
nlmsg_failure:

1
security/selinux/netlink.c
View File

@ -80,6 +80,7 @@ static void selnl_notify(int msgtype, void *data)
nlh = NLMSG_PUT(skb, 0, 0, msgtype, len);
selnl_add_payload(nlh, len, msgtype, data);
nlh->nlmsg_len = skb->tail - tmp;
NETLINK_CB(skb).dst_groups = SELNL_GRP_AVC;
netlink_broadcast(selnl, skb, 0, SELNL_GRP_AVC, GFP_USER);
out:
return;