UBUNTU: SAUCE: LSM stacking: LSM: manage credential security blobs

[mirror_ubuntu-artful-kernel.git] / kernel / cred.c

diff --git a/kernel/cred.c b/kernel/cred.c
index 11375177bc0a48b0c840051d032a807d47044d9d..45bbf6ae795631c34a15616baff323cd69cb42b1 100644 (file)
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -728,19 +728,6 @@ bool creds_are_invalid(const struct cred *cred)
 {
        if (cred->magic != CRED_MAGIC)
                return true;
-#ifdef CONFIG_SECURITY_SELINUX
-       /*
-        * cred->security == NULL if security_cred_alloc_blank() or
-        * security_prepare_creds() returned an error.
-        */
-       if (selinux_is_enabled() && cred->security) {
-               if ((unsigned long) cred->security < PAGE_SIZE)
-                       return true;
-               if ((*(u32 *)cred->security & 0xffffff00) ==
-                   (POISON_FREE << 24 | POISON_FREE << 16 | POISON_FREE << 8))
-                       return true;
-       }
-#endif
        return false;
 }
 EXPORT_SYMBOL(creds_are_invalid);