Re: [PATCH 2.6.10-rc1 5/5] driver-model: device_add() error path reference counting fix

[Tejun Heo <tj@home-tj.org>]

 df_05_device_add_ref_fix.patch

 In device_add(), @dev wan't put'd properly when it has zero length
bus_id (error path).  Fixed.


Signed-off-by: Tejun Heo <tj@home-tj.org>


Index: linux-export/drivers/base/core.c
===================================================================
--- linux-export.orig/drivers/base/core.c	2004-11-04 10:25:58.000000000 +0900
+++ linux-export/drivers/base/core.c	2004-11-04 11:04:14.000000000 +0900
@@ -209,12 +209,13 @@ void device_initialize(struct device *de
  */
 int device_add(struct device *dev)
 {
-	struct device * parent;
+	struct device * parent = NULL;
 	int error;
 
+	error = -EINVAL;
 	dev = get_device(dev);
 	if (!dev || !strlen(dev->bus_id))
-		return -EINVAL;
+		goto Error;
 
 	parent = get_device(dev->parent);