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authorPatrick McHardy <kaber@trash.net>2011-03-03 13:32:07 -0800
committerDavid S. Miller <davem@davemloft.net>2011-03-03 13:32:07 -0800
commit01a16b21d6adf992aa863186c3c4e561a57c1714 (patch)
treea3b1c81e5a5e6a0e9069e4d3a15576741ed34776 /security
parent63f97425166a1a16279c1a5720e9dfcb2c12ad1b (diff)
netlink: kill eff_cap from struct netlink_skb_parms
Netlink message processing in the kernel is synchronous these days, capabilities can be checked directly in security_netlink_recv() from the current process. Signed-off-by: Patrick McHardy <kaber@trash.net> Reviewed-by: James Morris <jmorris@namei.org> [chrisw: update to include pohmelfs and uvesafb] Signed-off-by: Chris Wright <chrisw@sous-sol.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'security')
-rw-r--r--security/commoncap.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/security/commoncap.c b/security/commoncap.c
index 64c2ed9c9015..a83e607d91c3 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -52,13 +52,12 @@ static void warn_setuid_and_fcaps_mixed(const char *fname)
int cap_netlink_send(struct sock *sk, struct sk_buff *skb)
{
- NETLINK_CB(skb).eff_cap = current_cap();
return 0;
}
int cap_netlink_recv(struct sk_buff *skb, int cap)
{
- if (!cap_raised(NETLINK_CB(skb).eff_cap, cap))
+ if (!cap_raised(current_cap(), cap))
return -EPERM;
return 0;
}

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