Re: [PATCH] More Driver Core patches for 2.6.10-rc1

[Greg KH <greg@kroah.com>]

ChangeSet 1.2449.2.8, 2004/11/04 10:57:45-08:00, tj@home-tj.org

[PATCH] driver-model: device_add() error path reference counting fix

 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>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>


 drivers/base/core.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)


diff -Nru a/drivers/base/core.c b/drivers/base/core.c
--- a/drivers/base/core.c	2004-11-04 16:30:24 -08:00
+++ b/drivers/base/core.c	2004-11-04 16:30:24 -08:00
@@ -209,12 +209,12 @@
  */
 int device_add(struct device *dev)
 {
-	struct device * parent;
-	int error;
+	struct device *parent = NULL;
+	int error = -EINVAL;
 
 	dev = get_device(dev);
 	if (!dev || !strlen(dev->bus_id))
-		return -EINVAL;
+		goto Error;
 
 	parent = get_device(dev->parent);