[PATCH] fix idr locking in rtc class

[Sonny Rao]

We need to serialize access to the global rtc_idr even in this error path.

Signed-off-by: Sonny Rao <sonny@xxxxxxxxxxx>

--- linux-2.6.17/drivers/rtc/class.c~orig	2006-06-26 19:10:44.738511816 -0500
+++ linux-2.6.17/drivers/rtc/class.c	2006-06-26 19:12:22.008724496 -0500
@@ -93,7 +93,9 @@ exit_kfree:
 	kfree(rtc);
 
 exit_idr:
+	mutex_lock(&idr_lock);
 	idr_remove(&rtc_idr, id);
+	mutex_unlock(&idr_lock);
 
 exit:
 	dev_err(dev, "rtc core: unable to register %s, err = %d\n",
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/