SECURITY: Move exec_permission RCU checks into security modules

[pandora-kernel.git] / security / smack / smack_lsm.c

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index c6f8fca..400a5d5 100644 (file)
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -686,7 +686,7 @@ static int smack_inode_rename(struct inode *old_inode,
  *
  * Returns 0 if access is permitted, -EACCES otherwise
  */
-static int smack_inode_permission(struct inode *inode, int mask)
+static int smack_inode_permission(struct inode *inode, int mask, unsigned flags)
 {
        struct smk_audit_info ad;
 
@@ -696,6 +696,10 @@ static int smack_inode_permission(struct inode *inode, int mask)
         */
        if (mask == 0)
                return 0;
+
+       /* May be droppable after audit */
+       if (flags & IPERM_FLAG_RCU)
+               return -ECHILD;
        smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
        smk_ad_setfield_u_fs_inode(&ad, inode);
        return smk_curacc(smk_of_inode(inode), mask, &ad);