From: Julia Lawall <[email protected]>
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]>
---
diff -u -p a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
--- a/drivers/macintosh/via-pmu.c 2007-11-18 20:43:10.000000000 +0100
+++ b/drivers/macintosh/via-pmu.c 2007-11-29 18:47:46.000000000 +0100
@@ -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;
}
-
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