diff options
Diffstat (limited to 'security')
| -rw-r--r-- | security/selinux/ss/services.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index e8ec54db95ba..d06df335ee7b 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -71,10 +71,7 @@ int selinux_policycap_openperm; extern const struct selinux_class_perm selinux_class_perm; static DEFINE_RWLOCK(policy_rwlock); - static DEFINE_MUTEX(load_mutex); -#define LOAD_LOCK mutex_lock(&load_mutex) -#define LOAD_UNLOCK mutex_unlock(&load_mutex) static struct sidtab sidtab; struct policydb policydb; @@ -1456,17 +1453,17 @@ int security_load_policy(void *data, size_t len) int rc = 0; struct policy_file file = { data, len }, *fp = &file; - LOAD_LOCK; + mutex_lock(&load_mutex); if (!ss_initialized) { avtab_cache_init(); if (policydb_read(&policydb, fp)) { - LOAD_UNLOCK; + mutex_unlock(&load_mutex); avtab_cache_destroy(); return -EINVAL; } if (policydb_load_isids(&policydb, &sidtab)) { - LOAD_UNLOCK; + mutex_unlock(&load_mutex); policydb_destroy(&policydb); avtab_cache_destroy(); return -EINVAL; @@ -1475,7 +1472,7 @@ int security_load_policy(void *data, size_t len) if (validate_classes(&policydb)) { printk(KERN_ERR "SELinux: the definition of a class is incorrect\n"); - LOAD_UNLOCK; + mutex_unlock(&load_mutex); sidtab_destroy(&sidtab); policydb_destroy(&policydb); avtab_cache_destroy(); @@ -1485,7 +1482,7 @@ int security_load_policy(void *data, size_t len) policydb_loaded_version = policydb.policyvers; ss_initialized = 1; seqno = ++latest_granting; - LOAD_UNLOCK; + mutex_unlock(&load_mutex); selinux_complete_init(); avc_ss_reset(seqno); selnl_notify_policyload(seqno); @@ -1499,12 +1496,12 @@ int security_load_policy(void *data, size_t len) #endif if (policydb_read(&newpolicydb, fp)) { - LOAD_UNLOCK; + mutex_unlock(&load_mutex); return -EINVAL; } if (sidtab_init(&newsidtab)) { - LOAD_UNLOCK; + mutex_unlock(&load_mutex); policydb_destroy(&newpolicydb); return -ENOMEM; } @@ -1552,7 +1549,7 @@ int security_load_policy(void *data, size_t len) seqno = ++latest_granting; policydb_loaded_version = policydb.policyvers; write_unlock_irq(&policy_rwlock); - LOAD_UNLOCK; + mutex_unlock(&load_mutex); /* Free the old policydb and SID table. */ policydb_destroy(&oldpolicydb); @@ -1566,7 +1563,7 @@ int security_load_policy(void *data, size_t len) return 0; err: - LOAD_UNLOCK; + mutex_unlock(&load_mutex); sidtab_destroy(&newsidtab); policydb_destroy(&newpolicydb); return rc; |