From bce7698e2e6565bb765bd0522337f29f5f312624 Mon Sep 17 00:00:00 2001 From: Haojie Li Date: Tue, 25 Aug 2026 18:08:45 +0800 Subject: drm/mediatek: Add missing IS_ERR check for ovl_adaptor platform device platform_device_register_data() can fail and return an ERR_PTR, but the return value is used without checking, leading to an invalid pointer being stored in ddp_comp[].dev and passed to component_match_add() and mtk_ddp_comp_init(), which could result in a kernel crash. Add an IS_ERR() check to jump to the error handling path on failure. Fixes: 0d9eee9118b7 ("drm/mediatek: Add drm ovl_adaptor sub driver for MT8195") Cc: stable@vger.kernel.org Signed-off-by: Haojie Li Reviewed-by: CK Hu Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20260825100845.438893-1-lihaojie@kylinos.cn/ Signed-off-by: Chun-Kuang Hu --- tools/include/nolibc/stddef.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 tools/include/nolibc/stddef.h (limited to 'tools/include/nolibc/stddef.h') diff --git a/tools/include/nolibc/stddef.h b/tools/include/nolibc/stddef.h new file mode 100644 index 000000000..a3976341a --- /dev/null +++ b/tools/include/nolibc/stddef.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: LGPL-2.1 OR MIT */ +/* + * Stddef definitions for NOLIBC + * Copyright (C) 2017-2021 Willy Tarreau + */ + +/* make sure to include all global symbols */ +#include "nolibc.h" + +#ifndef _NOLIBC_STDDEF_H +#define _NOLIBC_STDDEF_H + +#include "stdint.h" + +/* note: may already be defined */ +#ifndef NULL +#define NULL ((void *)0) +#endif + +#ifndef offsetof +#define offsetof(TYPE, FIELD) __builtin_offsetof(TYPE, FIELD) +#endif + +#endif /* _NOLIBC_STDDEF_H */ -- cgit v1.3.1