6.17-stable review patch. If anyone has any objections, please let me know.
------------------
From: Matthew Brost matthew.brost@intel.com
commit ce29214ada6d08dbde1eeb5a69c3b09ddf3da146 upstream.
Workqueue allocation can fail, so check the return value of the GGTT workqueue allocation and fail driver initialization if the allocation fails.
Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Cc: stable@vger.kernel.org Signed-off-by: Matthew Brost matthew.brost@intel.com Reviewed-by: Matthew Auld matthew.auld@intel.com Link: https://lore.kernel.org/r/20251022005538.828980-2-matthew.brost@intel.com (cherry picked from commit 1f1314e8e71385bae319e43082b798c11f6648bc) Signed-off-by: Lucas De Marchi lucas.demarchi@intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/xe/xe_ggtt.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/gpu/drm/xe/xe_ggtt.c +++ b/drivers/gpu/drm/xe/xe_ggtt.c @@ -291,6 +291,9 @@ int xe_ggtt_init_early(struct xe_ggtt *g ggtt->pt_ops = &xelp_pt_ops;
ggtt->wq = alloc_workqueue("xe-ggtt-wq", 0, WQ_MEM_RECLAIM); + if (!ggtt->wq) + return -ENOMEM; + __xe_ggtt_init_early(ggtt, xe_wopcm_size(xe));
err = drmm_add_action_or_reset(&xe->drm, ggtt_fini_early, ggtt);