From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 658868486 for ; Thu, 27 Oct 2022 16:58:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id DE2FCC433C1; Thu, 27 Oct 2022 16:58:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666889936; bh=hDG4OaXLMBwx144O6iq3c/ifd2pyrJggYNLmL9GKX/M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bdZf5563r5ZHQesvFhHU1rV51YxE5+1BGDCrzZzUjjTFPICA6dcWw8zspnYE9AOtv bMngIythSCDYqW6GXvftm5m2rOqM3PjnbyO3WsKvhYWJQcA6Q8Rdr94p5qljBm9o3G 1lL1PjIjp+BXntEKvRNytHVMSrNgB5SZPeVu5FVs= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yang Yingliang , "David S. Miller" , Sasha Levin Subject: [PATCH 6.0 53/94] net: ethernet: mtk_eth_wed: add missing put_device() in mtk_wed_add_hw() Date: Thu, 27 Oct 2022 18:54:55 +0200 Message-Id: <20221027165059.323049926@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221027165057.208202132@linuxfoundation.org> References: <20221027165057.208202132@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Yang Yingliang [ Upstream commit 9d4f20a476ca57e4c9246eb1fa2a61bea2354720 ] After calling get_device() in mtk_wed_add_hw(), in error path, put_device() needs be called. Fixes: 804775dfc288 ("net: ethernet: mtk_eth_soc: add support for Wireless Ethernet Dispatch (WED)") Signed-off-by: Yang Yingliang Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/mediatek/mtk_wed.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c index 29be2fcafea3..fff2b745587e 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed.c +++ b/drivers/net/ethernet/mediatek/mtk_wed.c @@ -813,11 +813,11 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth, get_device(&pdev->dev); irq = platform_get_irq(pdev, 0); if (irq < 0) - return; + goto err_put_device; regs = syscon_regmap_lookup_by_phandle(np, NULL); if (IS_ERR(regs)) - return; + goto err_put_device; rcu_assign_pointer(mtk_soc_wed_ops, &wed_ops); @@ -853,8 +853,14 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth, hw_list[index] = hw; + mutex_unlock(&hw_lock); + + return; + unlock: mutex_unlock(&hw_lock); +err_put_device: + put_device(&pdev->dev); } void mtk_wed_exit(void) -- 2.35.1