Re: [PATCH] Driver Core patches for 2.6.9-rc1

[Greg KH]

ChangeSet 1.1803.64.4, 2004/08/10 14:49:28-07:00, thomas.koeller@xxxxxxxxxxxxx

[PATCH] Driver Core: fix minor class reference counting issue on the error path

Signed-off-by: Thomas Koeller <thomas.koeller@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <greg@xxxxxxxxx>


 drivers/base/class.c |    9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)


diff -Nru a/drivers/base/class.c b/drivers/base/class.c
--- a/drivers/base/class.c	2004-08-25 14:56:30 -07:00
+++ b/drivers/base/class.c	2004-08-25 14:56:30 -07:00
@@ -349,13 +349,18 @@
 
 int class_device_add(struct class_device *class_dev)
 {
-	struct class * parent;
+	struct class * parent = NULL;
 	struct class_interface * class_intf;
 	int error;
 
 	class_dev = class_device_get(class_dev);
-	if (!class_dev || !strlen(class_dev->class_id))
+	if (!class_dev)
 		return -EINVAL;
+
+	if (!strlen(class_dev->class_id)) {
+		error = -EINVAL;
+		goto register_done;
+	}
 
 	parent = class_get(class_dev->class);
 

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