6.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Nirmoy Das <nirmoy.das@xxxxxxxxx> [ Upstream commit a6eff8f9c7e844cb24ccb188ca24abcd59734e74 ] Add an explicit check to ensure that the mgr is not NULL. Cc: Matthew Auld <matthew.auld@xxxxxxxxx> Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxxxx> Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx> Signed-off-by: Matthew Auld <matthew.auld@xxxxxxxxx> Link: https://patchwork.freedesktop.org/patch/msgid/20240319130925.22399-1-nirmoy.das@xxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- 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 3107d2a12426c..fb35e46d68b49 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)) -- 2.43.0