[050/145] rtc-core: fix memory leak

[Greg KH]

2.6.32-stable review patch.  If anyone has any objections, please let me know.

----------------
From: Aaro Koskinen <aaro.koskinen@xxxxxxxxx>

commit 2a7a06a0cdd86d572e91657603180da5992be6d3 upstream.

The idr should be destroyed when the module is unloaded. Found with
kmemleak.

Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxxxxx>
Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/rtc/class.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -226,6 +226,7 @@ static void __exit rtc_exit(void)
 {
 	rtc_dev_exit();
 	class_destroy(rtc_class);
+	idr_destroy(&rtc_idr);
 }
 
 subsys_initcall(rtc_init);


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