提交 87d75b52 编写于 作者: J Jiri Slaby 提交者: David S. Miller

NET: cassini, fix lock imbalance

Stanse found that one error path in cas_open omits to unlock pm_mutex.
Fix that.
Signed-off-by: NJiri Slaby <jirislaby@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 2b2072e9
......@@ -4342,11 +4342,11 @@ static int cas_open(struct net_device *dev)
cas_unlock_all_restore(cp, flags);
}
err = -ENOMEM;
if (cas_tx_tiny_alloc(cp) < 0)
return -ENOMEM;
goto err_unlock;
/* alloc rx descriptors */
err = -ENOMEM;
if (cas_alloc_rxds(cp) < 0)
goto err_tx_tiny;
......@@ -4386,6 +4386,7 @@ static int cas_open(struct net_device *dev)
cas_free_rxds(cp);
err_tx_tiny:
cas_tx_tiny_free(cp);
err_unlock:
mutex_unlock(&cp->pm_mutex);
return err;
}
......
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