Merge tag 'keys-20140314' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs into next

1 files changed, 7 insertions, 2 deletions

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 14f52be78c75..8177e7df8c2d 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -3506,11 +3506,12 @@ static void smack_key_free(struct key *key)
  * an error code otherwise
  */
 static int smack_key_permission(key_ref_t key_ref,
-                                const struct cred *cred, key_perm_t perm)
+                                const struct cred *cred, unsigned perm)
 {
         struct key *keyp;
         struct smk_audit_info ad;
         struct smack_known *tkp = smk_of_task(cred->security);
+        int request = 0;
 
         keyp = key_ref_to_ptr(key_ref);
         if (keyp == NULL)
@@ -3531,7 +3532,11 @@ static int smack_key_permission(key_ref_t key_ref,
         ad.a.u.key_struct.key = keyp->serial;
         ad.a.u.key_struct.key_desc = keyp->description;
 #endif
-        return smk_access(tkp, keyp->security, MAY_READWRITE, &ad);
+        if (perm & KEY_NEED_READ)
+                request = MAY_READ;
+        if (perm & (KEY_NEED_WRITE | KEY_NEED_LINK | KEY_NEED_SETATTR))
+                request = MAY_WRITE;
+        return smk_access(tkp, keyp->security, request, &ad);
 }
 #endif /* CONFIG_KEYS */