[PATCH 1/3] drm/xe/queue: fix engine_class bounds check

[Matthew Auld]

The engine_class is the index into the user_to_xe_engine_class,
therefore it needs to be less than.

Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs")
Signed-off-by: Matthew Auld <matthew.auld at intel.com>
Cc: Nirmoy Das <nirmoy.das at intel.com>
---
 drivers/gpu/drm/xe/xe_exec_queue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c
index 6a83bc57826a..2016c1af9633 100644
--- a/drivers/gpu/drm/xe/xe_exec_queue.c
+++ b/drivers/gpu/drm/xe/xe_exec_queue.c
@@ -440,7 +440,7 @@ find_hw_engine(struct xe_device *xe,
 {
 	u32 idx;
 
-	if (eci.engine_class > ARRAY_SIZE(user_to_xe_engine_class))
+	if (eci.engine_class >= ARRAY_SIZE(user_to_xe_engine_class))
 		return NULL;
 
 	if (eci.gt_id >= xe->info.gt_count)
-- 
2.44.0