[PATCH] drm/xe: Add a NULL check in xe_ttm_stolen_mgr_init

[Nirmoy Das]

Add an explicit check to ensure that the mgr is not NULL.

Cc: Matthew Auld <matthew.auld at intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das at intel.com>
---
 drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c b/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c
index 3107d2a12426..fb35e46d68b4 100644
--- a/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c
+++ b/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c
@@ -207,6 +207,11 @@ void xe_ttm_stolen_mgr_init(struct xe_device *xe)
 	u64 stolen_size, io_size, pgsize;
 	int err;
 
+	if (!mgr) {
+		drm_dbg_kms(&xe->drm, "Stolen mgr init failed\n");
+		return;
+	}
+
 	if (IS_SRIOV_VF(xe))
 		stolen_size = 0;
 	else if (IS_DGFX(xe))
-- 
2.42.0