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drivers/macintosh/via-pmu.c: Added a missing iounmap

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The error handling code should undo the ioremap as well.

The problem was detected using the following semantic match
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
type T,T1,T2;
identifier E;
statement S;
expression x1,x2;
constant C;
int ret;
@@

  T E;
  ...
* E = ioremap(...);
  if (E == NULL) S
  ... when != iounmap(E)
      when != if (E != NULL) { ... iounmap(E); ...}
      when != x1 = (T1)E
  if (...) {
    ... when != iounmap(E)
        when != if (E != NULL) { ... iounmap(E); ...}
        when != x2 = (T2)E
(
*   return;
|
*   return C;
|
*   return ret;
)
  }
// </smpl>

Signed-off-by: Julia Lawall <[email protected]>
Cc: Johannes Berg <[email protected]>
Cc: Olaf Hering <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Paul Mackerras <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Julia Lawall 2007-12-17 16:20:02 -08:00 • committed by Linus Torvalds
commit 771cceb464
1 changed files with 1 additions and 0 deletions
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1
drivers/macintosh/via-pmu.c
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@ -2336,6 +2336,7 @@ powerbook_sleep_3400(void)
ret = pmac_suspend_devices();
if (ret) {
pbook_free_pci_save();
iounmap(mem_ctrl);
printk(KERN_ERR "Sleep rejected by devices\n");
return ret;
}