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path: root/net/netlabel/netlabel_kapi.c
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Diffstat (limited to 'net/netlabel/netlabel_kapi.c')
-rw-r--r--net/netlabel/netlabel_kapi.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/net/netlabel/netlabel_kapi.c b/net/netlabel/netlabel_kapi.c
index a845cd4cf21e..28cddc85b700 100644
--- a/net/netlabel/netlabel_kapi.c
+++ b/net/netlabel/netlabel_kapi.c
@@ -1065,10 +1065,12 @@ int netlbl_skbuff_getattr(const struct sk_buff *skb,
1065 u16 family, 1065 u16 family,
1066 struct netlbl_lsm_secattr *secattr) 1066 struct netlbl_lsm_secattr *secattr)
1067{ 1067{
1068 unsigned char *ptr;
1069
1068 switch (family) { 1070 switch (family) {
1069 case AF_INET: 1071 case AF_INET:
1070 if (CIPSO_V4_OPTEXIST(skb) && 1072 ptr = cipso_v4_optptr(skb);
1071 cipso_v4_skbuff_getattr(skb, secattr) == 0) 1073 if (ptr && cipso_v4_getattr(ptr, secattr) == 0)
1072 return 0; 1074 return 0;
1073 break; 1075 break;
1074#if IS_ENABLED(CONFIG_IPV6) 1076#if IS_ENABLED(CONFIG_IPV6)
@@ -1094,7 +1096,7 @@ int netlbl_skbuff_getattr(const struct sk_buff *skb,
1094 */ 1096 */
1095void netlbl_skbuff_err(struct sk_buff *skb, int error, int gateway) 1097void netlbl_skbuff_err(struct sk_buff *skb, int error, int gateway)
1096{ 1098{
1097 if (CIPSO_V4_OPTEXIST(skb)) 1099 if (cipso_v4_optptr(skb))
1098 cipso_v4_error(skb, error, gateway); 1100 cipso_v4_error(skb, error, gateway);
1099} 1101}
1100 1102
@@ -1126,11 +1128,14 @@ void netlbl_cache_invalidate(void)
1126int netlbl_cache_add(const struct sk_buff *skb, 1128int netlbl_cache_add(const struct sk_buff *skb,
1127 const struct netlbl_lsm_secattr *secattr) 1129 const struct netlbl_lsm_secattr *secattr)
1128{ 1130{
1131 unsigned char *ptr;
1132
1129 if ((secattr->flags & NETLBL_SECATTR_CACHE) == 0) 1133 if ((secattr->flags & NETLBL_SECATTR_CACHE) == 0)
1130 return -ENOMSG; 1134 return -ENOMSG;
1131 1135
1132 if (CIPSO_V4_OPTEXIST(skb)) 1136 ptr = cipso_v4_optptr(skb);
1133 return cipso_v4_cache_add(skb, secattr); 1137 if (ptr)
1138 return cipso_v4_cache_add(ptr, secattr);
1134 1139
1135 return -ENOMSG; 1140 return -ENOMSG;
1136} 1141}