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| author |   Jiri Slaby <jirislaby@gmail.com> | 2009-11-05 23:14:29 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2009-11-06 20:26:09 -0800 |
| commit | 87d75b52414a22c54cf8382bcdd329376b1bce78 (patch) | |
| tree | 8e4c5833bf419f366db516a4df94f23ea3bbcde1 | |
| parent | ems_usb: Fix byte order issues on big endian machines (diff) | |
| download | linux-dev-87d75b52414a22c54cf8382bcdd329376b1bce78.tar.xz linux-dev-87d75b52414a22c54cf8382bcdd329376b1bce78.zip | |
NET: cassini, fix lock imbalance
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>
| -rw-r--r-- | drivers/net/cassini.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 05916aafa4f1..f857afe8e488 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -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; } |