From nobody Fri Dec 19 06:22:29 2025 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.2]) by smtp.subspace.kernel.org (Postfix) with ESMTP id CD4EC17BB0D; Wed, 19 Feb 2025 03:23:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.2 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739935393; cv=none; b=N8Nh8x0MljuIOxIi6PcgHhogBXuwoYQZSs/A5vhKWMOcCW0G9itpX0RxtGM0AwMLhRLYVwhPj4+uPpqZCwNujGN8qaJ/FouzDT72HeakWucUfk+nyLcPntpKaxpYOcpCIobhb/yvSKm3ZKcmYXKjcYdMz1yh1wg4FJ6v05T3Opg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739935393; c=relaxed/simple; bh=R6QV677NlQ522oBMfkLDcOEZ3lbL5Z5tMyBshHnyZXo=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=kYX+H/H8abUK96rrvuBf5HcjPwk7OILr8uef6J7AHZI/zMUlOQmbhi98e14vXQiZ3XzUeftc0hsxGyMDvtw1P+1xYOeem4ed6duZnkzBGY7OzhOH2tkLMLH17E31YJpLEJ09onjU08QRXdPEBdUx0BizWmqC0vXd+vqC9NVbFZw= 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=myHfhuMo; arc=none smtp.client-ip=220.197.31.2 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="myHfhuMo" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=09LR6 ViKaxcfzfqLX5rvRGr8rmzBQTTrDelidYgzSC4=; b=myHfhuMoAYE8fXTAygDzl nlG7R4zQAQHCLJ5O1nltULUKWQ/mKV6gM15L5lh2fXNIEPy4DyCU8zOqFOXX7z7C bzUkQURrxGjcG3QLDtOnk+db/nSGsxu1NuAt2ZZNOfKhb+wnrUYtlVKWbRqz2WYQ xatpxTJIEtOrslNqxFx9SQ= Received: from icess-ProLiant-DL380-Gen10.. (unknown []) by gzsmtp2 (Coremail) with SMTP id PSgvCgDHNuaNTrVnlSDSIA--.42964S4; Wed, 19 Feb 2025 11:22:54 +0800 (CST) From: Haoxiang Li To: zhuyinbo@loongson.cn, arnd@arndb.de Cc: loongarch@lists.linux.dev, linux-kernel@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Subject: [PATCH] drivers: loongson: Add check for devm_kstrdup() Date: Wed, 19 Feb 2025 11:22:51 +0800 Message-Id: <20250219032251.2592699-1-haoxiang_li2024@163.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: PSgvCgDHNuaNTrVnlSDSIA--.42964S4 X-Coremail-Antispam: 1Uf129KBjvdXoW7XFykGF17tr1DXF4DKw45ZFb_yoWDJrcE9a 9FqryrCr15CFy3t34jvr43uryI9ryFv3WYkF15t3Z3Zw42yF1SqrWUZrsxGFW3Xr4IvFn8 Zw4vgr1xZFyIyjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sRXBMtUUUUUU== X-CM-SenderInfo: xkdr5xpdqjszblsqjki6rwjhhfrp/xtbB0hv3bme0kM+oVwACsh Content-Type: text/plain; charset="utf-8" Add check for the return value of devm_kstrdup() in loongson2_guts_probe() to catch potential exception. Fixes: b82621ac8450 ("soc: loongson: add GUTS driver for loongson-2 platfor= ms") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li --- drivers/soc/loongson/loongson2_guts.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/soc/loongson/loongson2_guts.c b/drivers/soc/loongson/l= oongson2_guts.c index ae42e3a9127f..26212cfcf6b0 100644 --- a/drivers/soc/loongson/loongson2_guts.c +++ b/drivers/soc/loongson/loongson2_guts.c @@ -117,6 +117,8 @@ static int loongson2_guts_probe(struct platform_device = *pdev) if (machine) soc_dev_attr.machine =3D devm_kstrdup(dev, machine, GFP_KERNEL); =20 + if (!soc_dev_attr.machine) + return -ENOMEM; svr =3D loongson2_guts_get_svr(); soc_die =3D loongson2_soc_die_match(svr, loongson2_soc_die); if (soc_die) { --=20 2.25.1