From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from m16.mail.163.com (m16.mail.163.com [117.135.210.3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A7DB02D1F7B; Sat, 17 Oct 2026 07:43:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=117.135.210.3 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792223004; cv=none; b=kPn7CxiwdQ4h3gsEE51o+MaDiiGO5T+g9+6Shcki8KpsmswIL3Ip1en71sEzNdKaoK2xwZU05CxnEYgxdTU1mPJAi5NlEngE3soDaWZW0u3FzUhSw0kK5Q+CghebpbTt4fnVYfNoSgIVOmTpA+w+o5fURe0KSzfIFy8vybQfBEY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1792223004; c=relaxed/simple; bh=aITy8/oKYjGUM8gs6l4kz+Yrd0C97hAR7Fety0ZnMFo=; h=Date:From:To:Subject:In-Reply-To:References:Content-Type: MIME-Version:Message-ID; b=tp2bgwyP0riJJWyCRiSYTQfOz2gqIci+WmYArGSTD/LX9J/xKIstz+XX51KrZxkfE+05HoSnH0L8zwtT0WVB3FdptWXn4hHFqINXcjX2b89doyOZLatRq8H6CUjp6Gs5RZDD0iVUkmnls2sNSAvCidBI9r4ieP98AulDQAz3Zxg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=Amh5sJCi; arc=none smtp.client-ip=117.135.210.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="Amh5sJCi" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:To:Subject:Content-Type:MIME-Version: Message-ID; bh=aITy8/oKYjGUM8gs6l4kz+Yrd0C97hAR7Fety0ZnMFo=; b=A mh5sJCiZETnejrXgilx9n3f8ux1jpSjI8ZuqOc0Riw1S0jR9iYiEm/jaTl23YSXY /7De9XC9D+Oz2gvXlZemL1dMq1jsVV//6M3ZNxtnIPpVrRCb96R7XYFu18RvDndt sd7FjHFFgJ2AWuu2MzMBblXkO7wteVhGAqxhlaTZ/k= Date: Sat, 17 Oct 2026 15:42:57 +0800 (CST) From: "jiale yao" <19888972804@163.com> To: "Herton Ronaldo Krzesinski" , "Hans de Goede" , =?UTF-8?Q?Ilpo_J=C3=A4rvinen?= , platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re:[PATCH v3 2/3] platform/x86: topstar-laptop: Check ACPI_COMPANION() against NULL X-Priority: 3 X-Mailer: Coremail Webmail Server Version 2023.4-cmXT build 20260511(2e539873) Copyright (c) 2002-2026 www.mailtech.cn 163com In-Reply-To: <20261017064350.3817228-1-yaojiale02@163.com> References: <20261017064350.3817228-1-yaojiale02@163.com> X-NTES-SC: AL_Qu2SAP6ZvUEs4SWRZ+kdnEkQgO0/WsS1vfQu2Y5Wc+wEgCbN4z0YdHxaDHHN8e6DOSarnDiOagNHzNRcb4JH+lW6/SuJRm3AkjP5JI2rpw== Content-Transfer-Encoding: base64 Content-Type: text/plain; charset=UTF-8 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <12cb3ffb.191b.1a148d05e4a.Coremail.19888972804@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:ZygvCgA3dzsBJ9NqevxaAA--.143W X-CM-SenderInfo: x1dryxhdohiji6rwjhhfrp/xtbCzQFZk2rTJwE1cgAA3e X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== QXQgMjAyNi0xMC0xNyAxNDo0Mzo1MCwgIkppYWxlIFlhbyIgPHlhb2ppYWxlMDJAMTYzLmNvbT4g d3JvdGU6Cj5BZGQgYSByZXF1aXNpdGUgQUNQSV9DT01QQU5JT04oKSBjaGVjayBhZ2FpbnN0IE5V TEwgdG8gdGhlCj50b3BzdGFyLWxhcHRvcCBkcml2ZXIsIGFsaWduaW5nIHdpdGggdGhlIGZpeCBh cHBsaWVkIHRvCj5hc3VzLXdpcmVsZXNzIGRyaXZlci4KPgoKRml4ZXM6IDM0NzE0MTVjODE4NiAo InBsYXRmb3JtL3g4NjogdG9wc3Rhci1sYXB0b3A6IENvbnZlcnQgQUNQSSBkcml2ZXIgdG8gYSBw bGF0Zm9ybSBvbmUiKQoKPkFzc2lzdGVkLWJ5OiBjbGF1ZGU6ZGVlcHNlZWstdjQtcHJvCj5TaWdu ZWQtb2ZmLWJ5OiBKaWFsZSBZYW8gPHlhb2ppYWxlMDJAMTYzLmNvbT4KPi0tLQo+IGRyaXZlcnMv cGxhdGZvcm0veDg2L3RvcHN0YXItbGFwdG9wLmMgfCAzICsrKwo+IDEgZmlsZSBjaGFuZ2VkLCAz IGluc2VydGlvbnMoKykKPgo+ZGlmZiAtLWdpdCBhL2RyaXZlcnMvcGxhdGZvcm0veDg2L3RvcHN0 YXItbGFwdG9wLmMgYi9kcml2ZXJzL3BsYXRmb3JtL3g4Ni90b3BzdGFyLWxhcHRvcC5jCj5pbmRl eCBlMDlkN2Y4Y2U0NWYuLmY2ZmFmYTM0NWY5MyAxMDA2NDQKPi0tLSBhL2RyaXZlcnMvcGxhdGZv cm0veDg2L3RvcHN0YXItbGFwdG9wLmMKPisrKyBiL2RyaXZlcnMvcGxhdGZvcm0veDg2L3RvcHN0 YXItbGFwdG9wLmMKPkBAIC0yOTEsNiArMjkxLDkgQEAgc3RhdGljIGludCB0b3BzdGFyX2FjcGlf cHJvYmUoc3RydWN0IHBsYXRmb3JtX2RldmljZSAqcGRldikKPiAJc3RydWN0IHRvcHN0YXJfbGFw dG9wICp0b3BzdGFyOwo+IAlpbnQgZXJyOwo+IAo+KwlpZiAoIWRldmljZSkKPisJCXJldHVybiAt RU5PREVWOwo+Kwo+IAlkbWlfY2hlY2tfc3lzdGVtKHRvcHN0YXJfZG1pX2lkcyk7Cj4gCj4gCXRv cHN0YXIgPSBremFsbG9jX29iaihzdHJ1Y3QgdG9wc3Rhcl9sYXB0b3ApOwo+LS0gCj4yLjM0LjEK