drm/xe: Use __counted_by for flexible arrays

Good practice to use __counted_by in kernel coding for flexible arrays.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241018030039.1077842-1-matthew.brost@intel.com

Author: mbrost05

drivers/gpu/drm/xe/xe_exec_queue_types.h

@@ -143,7 +143,7 @@ struct xe_exec_queue {
 	/** @hw_engine_group_link: link into exec queues in the same hw engine group */
 	struct list_head hw_engine_group_link;
 	/** @lrc: logical ring context for this exec queue */
-	struct xe_lrc *lrc[];
+	struct xe_lrc *lrc[] __counted_by(width);
 };
 
 /**

drivers/gpu/drm/xe/xe_sched_job_types.h

@@ -63,7 +63,7 @@ struct xe_sched_job {
 
 struct xe_sched_job_snapshot {
 	u16 batch_addr_len;
-	u64 batch_addr[];
+	u64 batch_addr[] __counted_by(batch_addr_len);
 };
 
 #endif