[PATCH 1/2] drm/xe: Add fault injection for kobj_xe_hw_engine_class

[Sobin Thomas <sobin.thomas@intel.com>]

- Add NULL ptr injection for kobj_xe_hw_engine_class
- Can be tested with igt@inject-fault-probe-function-kobj_xe_hw_engine_class 

v2: Modified the Fault injection with NULL.

v1: Initial checkin for Fault Handler.

Signed-off-by: Sobin Thomas <sobin.thomas@intel.com>
---
 drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c b/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c
index 640950172088..f9616ddf4376 100644
--- a/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c
+++ b/drivers/gpu/drm/xe/xe_hw_engine_class_sysfs.c
@@ -571,6 +571,7 @@ kobj_xe_hw_engine_class(struct xe_device *xe, struct kobject *parent, const char
 
 	return keclass;
 }
+ALLOW_ERROR_INJECTION(kobj_xe_hw_engine_class, NULL);
 
 static void hw_engine_class_defaults_fini(void *arg)
 {
-- 
2.34.1