diff options
Diffstat (limited to 'security/selinux/ss/services.c')
| -rw-r--r-- | security/selinux/ss/services.c | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index 85cfd46836c7..8dc111fbe23a 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -2328,22 +2328,6 @@ err_policy: return rc; } -size_t security_policydb_len(struct selinux_state *state) -{ - struct selinux_policy *policy; - size_t len; - - if (!selinux_initialized(state)) - return 0; - - rcu_read_lock(); - policy = rcu_dereference(state->policy); - len = policy->policydb.len; - rcu_read_unlock(); - - return len; -} - /** * security_port_sid - Obtain the SID for a port. * @protocol: protocol number @@ -3903,11 +3887,12 @@ int security_read_policy(struct selinux_state *state, int rc; struct policy_file fp; - if (!selinux_initialized(state)) + policy = rcu_dereference_protected( + state->policy, lockdep_is_held(&state->policy_mutex)); + if (!policy) return -EINVAL; - *len = security_policydb_len(state); - + *len = policy->policydb.len; *data = vmalloc_user(*len); if (!*data) return -ENOMEM; @@ -3915,11 +3900,7 @@ int security_read_policy(struct selinux_state *state, fp.data = *data; fp.len = *len; - rcu_read_lock(); - policy = rcu_dereference(state->policy); rc = policydb_write(&policy->policydb, &fp); - rcu_read_unlock(); - if (rc) return rc; |