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-rw-r--r--include/net/netlabel.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/include/net/netlabel.h b/include/net/netlabel.h
index 0ca67d73c7ad..5e53a85b5ca1 100644
--- a/include/net/netlabel.h
+++ b/include/net/netlabel.h
@@ -162,7 +162,7 @@ struct netlbl_lsm_secattr_catmap {
/**
* struct netlbl_lsm_secattr - NetLabel LSM security attributes
- * @flags: indicate which attributes are contained in this structure
+ * @flags: indicate structure attributes, see NETLBL_SECATTR_*
* @type: indicate the NLTYPE of the attributes
* @domain: the NetLabel LSM domain
* @cache: NetLabel LSM specific cache
@@ -180,17 +180,22 @@ struct netlbl_lsm_secattr_catmap {
* NetLabel itself when returning security attributes to the LSM.
*
*/
+struct netlbl_lsm_secattr {
+ u32 flags;
+ /* bitmap values for 'flags' */
#define NETLBL_SECATTR_NONE 0x00000000
#define NETLBL_SECATTR_DOMAIN 0x00000001
+#define NETLBL_SECATTR_DOMAIN_CPY (NETLBL_SECATTR_DOMAIN | \
+ NETLBL_SECATTR_FREE_DOMAIN)
#define NETLBL_SECATTR_CACHE 0x00000002
#define NETLBL_SECATTR_MLS_LVL 0x00000004
#define NETLBL_SECATTR_MLS_CAT 0x00000008
#define NETLBL_SECATTR_SECID 0x00000010
+ /* bitmap meta-values for 'flags' */
+#define NETLBL_SECATTR_FREE_DOMAIN 0x01000000
#define NETLBL_SECATTR_CACHEABLE (NETLBL_SECATTR_MLS_LVL | \
NETLBL_SECATTR_MLS_CAT | \
NETLBL_SECATTR_SECID)
-struct netlbl_lsm_secattr {
- u32 flags;
u32 type;
char *domain;
struct netlbl_lsm_cache *cache;
@@ -303,7 +308,8 @@ static inline void netlbl_secattr_init(struct netlbl_lsm_secattr *secattr)
*/
static inline void netlbl_secattr_destroy(struct netlbl_lsm_secattr *secattr)
{
- kfree(secattr->domain);
+ if (secattr->flags & NETLBL_SECATTR_FREE_DOMAIN)
+ kfree(secattr->domain);
if (secattr->flags & NETLBL_SECATTR_CACHE)
netlbl_secattr_cache_free(secattr->cache);
if (secattr->flags & NETLBL_SECATTR_MLS_CAT)

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