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net/ieee80211: adjust error handling

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Converts a test in error handling code to a sequence of labels.

The semantic match that found the problem is:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
expression E,E1,E2;
@@

E = alloc_etherdev(...)
... when != E = E1
if (...) { ... free_netdev(E); ... return ...; }
... when != E = E2
(
  if (...)
   {
   ... when != free_netdev(E);
   return dev; }
|
* if (...)
   {
   ... when != free_netdev(E);
   return ...; }
|
register_netdev(E)
)

// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Julia Lawall 2008-07-16 16:34:54 +02:00 committed by John W. Linville
parent 1ff41eb0d9
commit d92a8e81e0
1 changed files with 4 additions and 4 deletions
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8
net/ieee80211/ieee80211_module.c
View file

@ -157,7 +157,7 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
err = ieee80211_networks_allocate(ieee);
if (err) {
IEEE80211_ERROR("Unable to allocate beacon storage: %d\n", err);
goto failed;
goto failed_free_netdev;
}
ieee80211_networks_initialize(ieee);
@ -193,9 +193,9 @@ struct net_device *alloc_ieee80211(int sizeof_priv)
return dev;
failed:
if (dev)
free_netdev(dev);
failed_free_netdev:
free_netdev(dev);
failed:
return NULL;
}