Commit 0c2c9a3f authored by David Howells's avatar David Howells Committed by James Morris

KEYS: Allow keyctl_revoke() on keys that have SETATTR but not WRITE perm [try #6]

Allow keyctl_revoke() to operate on keys that have SETATTR but not WRITE
permission, rather than only on keys that have WRITE permission.
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Acked-by: default avatarSerge Hallyn <serue@us.ibm.com>
Signed-off-by: default avatarJames Morris <jmorris@namei.org>
parent 5593122e
......@@ -343,7 +343,13 @@ long keyctl_revoke_key(key_serial_t id)
key_ref = lookup_user_key(id, 0, KEY_WRITE);
if (IS_ERR(key_ref)) {
ret = PTR_ERR(key_ref);
goto error;
if (ret != -EACCES)
goto error;
key_ref = lookup_user_key(id, 0, KEY_SETATTR);
if (IS_ERR(key_ref)) {
ret = PTR_ERR(key_ref);
goto error;
}
}
key_revoke(key_ref_to_ptr(key_ref));
......
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