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NET: cassini, fix lock imbalance

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Stanse found that one error path in cas_open omits to unlock pm_mutex.
Fix that.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Slaby 2009-11-05 23:14:29 +00:00 committed by David S. Miller
parent 2b2072e902
commit 87d75b5241
1 changed files with 3 additions and 2 deletions
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5
drivers/net/cassini.c
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@ -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 @@ err_spare:
cas_free_rxds(cp);
err_tx_tiny:
cas_tx_tiny_free(cp);
err_unlock:
mutex_unlock(&cp->pm_mutex);
return err;
}