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 --- lib/fonts/font.h | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 lib/fonts/font.h (limited to 'lib/fonts/font.h') diff --git a/lib/fonts/font.h b/lib/fonts/font.h new file mode 100644 index 000000000..4f1adf0b6 --- /dev/null +++ b/lib/fonts/font.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef _LIB_FONTS_FONT_H +#define _LIB_FONTS_FONT_H + +#include + +/* + * Font data + */ + +#define FONT_EXTRA_WORDS 4 + +struct font_data { + unsigned int extra[FONT_EXTRA_WORDS]; + unsigned char data[]; +} __packed; + +/* + * Built-in fonts + */ + +#define VGA8x8_IDX 0 +#define VGA8x16_IDX 1 +#define PEARL8x8_IDX 2 +#define VGA6x11_IDX 3 +#define FONT7x14_IDX 4 +#define FONT10x18_IDX 5 +#define SUN8x16_IDX 6 +#define SUN12x22_IDX 7 +#define ACORN8x8_IDX 8 +#define MINI4x6_IDX 9 +#define FONT6x10_IDX 10 +#define TER16x32_IDX 11 +#define FONT6x8_IDX 12 +#define TER10x18_IDX 13 + +#endif -- cgit v1.3.1