From patchwork Tue Sep 3 01:49:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ma Ke X-Patchwork-Id: 13787833 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1CA2DCA0ED3 for ; Tue, 3 Sep 2024 01:51:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=fccCwgo/VGDIPLAU5GMdJv3I2+DbYdfDTm7zXXueQ1k=; b=a0umatju7rKSiyCohBGq+RhTEg jEoRoBa2fD/fC7SrK7b0nwUMg0uZIqTpCDwGOaVD3Piow4LzKSRTm07tr0ZE8tB7Xax95+Z1Bs4pG 0dAR0O/FWT3gZj15eC0W1bitQ/kHymd5FkQcK29n+YGTkxYQHvH1cOcnkwFbZMNfScmkdMLB+K3Ts SHEDFSM574qN+xNS+Bn6vMH9m59JMGnnGGuje6fUu4OtwmDkLiPHtyTkYRNt6c3/jqFaFyhYfJnGf Dtlx6k8tMeiuL0D2EzuLxBSLT7j2SOQG59moFoYyDIn2iZMx08pBQH6x4huuxJ6TqtqGHC4ftBirn uHPaKumw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1slIhW-0000000FzML-2mA3; Tue, 03 Sep 2024 01:51:22 +0000 Received: from smtp21.cstnet.cn ([159.226.251.21] helo=cstnet.cn) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1slIgN-0000000Fz8Z-3YB8; Tue, 03 Sep 2024 01:50:13 +0000 Received: from icess-ProLiant-DL380-Gen10.. (unknown [183.174.60.14]) by APP-01 (Coremail) with SMTP id qwCowACHj6NIa9Zm_wqzAA--.29549S2; Tue, 03 Sep 2024 09:50:01 +0800 (CST) From: Ma Ke To: nbd@nbd.name, lorenzo@kernel.org, ryder.lee@mediatek.com, shayne.chen@mediatek.com, sean.wang@mediatek.com, kvalo@kernel.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, johannes.berg@intel.com, ruanjinjie@huawei.com, make24@iscas.ac.cn, howard-yh.hsu@mediatek.com, chui-hao.chiu@mediatek.com, greearb@candelatech.com, akpm@linux-foundation.org Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, stable@vger.kernel.org Subject: [PATCH RESEND] mt76: mt7915: check devm_kasprintf() returned value Date: Tue, 3 Sep 2024 09:49:55 +0800 Message-Id: <20240903014955.4145423-1-make24@iscas.ac.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CM-TRANSID: qwCowACHj6NIa9Zm_wqzAA--.29549S2 X-Coremail-Antispam: 1UD129KBjvdXoWrKFW7ZFW5Ww13Zw4xXFWxCrg_yoWDAFbEgr W8Zrn3GFyrGwn0kr47Cry3Cryaya4kZF1kJ393trW5GrW8AFW7WryfZrn8J397Cws29r15 Gwn8AryrZ398ujkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbh8FF20E14v26ryj6rWUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr1j 6F4UJwA2z4x0Y4vEx4A2jsIE14v26F4j6r4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr 1j6F4UJwAac4AC62xK8xCEY4vEwIxC4wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40E FcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUXVWUAwAv7VC2z280aVAFwI0_Jr 0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8v x2IErcIFxwACI402YVCY1x02628vn2kIc2xKxwCY1x0262kKe7AKxVW8ZVWrXwCF04k20x vY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I 3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_GFv_WrylIxkGc2Ij64vIr41lIx AIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF 0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87 Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjTRMzuWDUUUU X-Originating-IP: [183.174.60.14] X-CM-SenderInfo: ppdnvj2u6l2u1dvotugofq/ X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240902_185012_275741_EDE7A935 X-CRM114-Status: UNSURE ( 7.98 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org devm_kasprintf() can return a NULL pointer on failure but this returned value is not checked. Fix this lack and check the returned value. Found by code review. Cc: stable@vger.kernel.org Fixes: 6ae39b7c7ed4 ("wifi: mt76: mt7921: Support temp sensor") Signed-off-by: Ma Ke Reviewed-by: Matthias Brugger --- drivers/net/wireless/mediatek/mt76/mt7915/init.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index a978f434dc5e..7bc3b4cd3592 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -194,6 +194,8 @@ static int mt7915_thermal_init(struct mt7915_phy *phy) name = devm_kasprintf(&wiphy->dev, GFP_KERNEL, "mt7915_%s", wiphy_name(wiphy)); + if (!name) + return -ENOMEM; cdev = thermal_cooling_device_register(name, phy, &mt7915_thermal_ops); if (!IS_ERR(cdev)) {