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/perf/util/dump-insn.h | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 tools/perf/util/dump-insn.h (limited to 'tools/perf/util/dump-insn.h') diff --git a/tools/perf/util/dump-insn.h b/tools/perf/util/dump-insn.h new file mode 100644 index 000000000..20d4d7bb5 --- /dev/null +++ b/tools/perf/util/dump-insn.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PERF_DUMP_INSN_H +#define __PERF_DUMP_INSN_H 1 + +#define MAXINSN 15 + +#include + +struct thread; + +struct perf_insn { + /* Initialized by callers: */ + struct thread *thread; + struct machine *machine; + u8 cpumode; + bool is64bit; + int cpu; + /* Temporary */ + char out[256]; +}; + +const char *dump_insn(struct perf_insn *x, u64 ip, + u8 *inbuf, int inlen, int *lenp); +int arch_is_uncond_branch(const unsigned char *buf, size_t len, int x86_64); + +#endif -- cgit v1.3.1