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authorPaul Moore <paul.moore@hp.com>2006-11-17 17:38:47 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:24:08 -0800
commit05e00cbf5036929355020dab4837b637203a0742 (patch)
tree642cd1852808fbd89a2c666e39f23b7f48f2c4c0 /net/netlabel/netlabel_kapi.c
parent701a90bad99b8081a824cca52c178c8fc8f46bb2 (diff)
NetLabel: check for a CIPSOv4 option before we do call into the CIPSOv4 layer
Right now the NetLabel code always jumps into the CIPSOv4 layer to determine if a CIPSO IP option is present. However, we can do this check directly in the NetLabel code by making use of the CIPSO_V4_OPTEXIST() macro which should save us a function call in the common case of not having a CIPSOv4 option present. Signed-off-by: Paul Moore <paul.moore@hp.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'net/netlabel/netlabel_kapi.c')
-rw-r--r--net/netlabel/netlabel_kapi.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index da2f1975a042..b35ebf94918c 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -149,10 +149,8 @@ int netlbl_socket_getattr(const struct socket *sock,
int netlbl_skbuff_getattr(const struct sk_buff *skb,
struct netlbl_lsm_secattr *secattr)
{
- int ret_val;
-
- ret_val = cipso_v4_skbuff_getattr(skb, secattr);
- if (ret_val == 0)
+ if (CIPSO_V4_OPTEXIST(skb) &&
+ cipso_v4_skbuff_getattr(skb, secattr) == 0)
return 0;
return netlbl_unlabel_getattr(secattr);