Merge branches 'pm-core', 'pm-qos', 'pm-domains' and 'pm-opp'

[linux.git] / drivers / md / dm-crypt.c

diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 96692d13a6e4d90bb04deb9117a0a1876c977876..1cb2ca9dfae36d8df009aa9f68260ae7a071ba05 100644 (file)
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1534,18 +1534,18 @@ static int crypt_set_keyring_key(struct crypt_config *cc, const char *key_string
                return PTR_ERR(key);
        }
 
-       rcu_read_lock();
+       down_read(&key->sem);
 
        ukp = user_key_payload(key);
        if (!ukp) {
-               rcu_read_unlock();
+               up_read(&key->sem);
                key_put(key);
                kzfree(new_key_string);
                return -EKEYREVOKED;
        }
 
        if (cc->key_size != ukp->datalen) {
-               rcu_read_unlock();
+               up_read(&key->sem);
                key_put(key);
                kzfree(new_key_string);
                return -EINVAL;
@@ -1553,7 +1553,7 @@ static int crypt_set_keyring_key(struct crypt_config *cc, const char *key_string
 
        memcpy(cc->key, ukp->data, cc->key_size);
 
-       rcu_read_unlock();
+       up_read(&key->sem);
        key_put(key);
 
        /* clear the flag since following operations may invalidate previously valid key */