From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FD2FC2D0F2 for ; Wed, 1 Apr 2020 16:24:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 105B8215A4 for ; Wed, 1 Apr 2020 16:24:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585758240; bh=7HXrLcMrjq1vUs0dcnl4r6XQPbXaANKTiMgvquxYJkM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ucLsfl0S9A90n1HzltGwr+nbvMQGfZpxSaFxisNaAKrgG1M7C4583or49gjbU4VaG hOcMYoMy/AQ4GRA6i6emePJH4+Vg3U27oO7pe6yVxeG1YpSxS2CFZZs2FHRxV5zAKH SRGVgBMoryk4PK4sco/cEqx2JAvJPCQTV79iu0lw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387410AbgDAQX6 (ORCPT ); Wed, 1 Apr 2020 12:23:58 -0400 Received: from mail.kernel.org ([198.145.29.99]:47416 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387647AbgDAQX4 (ORCPT ); Wed, 1 Apr 2020 12:23:56 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 45DDC21556; Wed, 1 Apr 2020 16:23:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585758235; bh=7HXrLcMrjq1vUs0dcnl4r6XQPbXaANKTiMgvquxYJkM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ij2iRvSFZ8Ietd/DOYDs0lL8dSbGm7tW02+X1Y2IhppdMJmo9ByhzPdsUrr+1NRB5 WPwzQdjiu0ask9+0t4BPq7NZ9n40YU1THGXIuTOZKX97+VIUzTooNxqw/a8YkO70Vw OF2YpQXAnlnyVHhnWm0Gr4WoIafIfVtDYfAUC4MQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Rayagonda Kokatanur , Andrew Lunn , "David S. Miller" Subject: [PATCH 4.19 026/116] net: phy: mdio-mux-bcm-iproc: check clk_prepare_enable() return value Date: Wed, 1 Apr 2020 18:16:42 +0200 Message-Id: <20200401161545.730602252@linuxfoundation.org> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200401161542.669484650@linuxfoundation.org> References: <20200401161542.669484650@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rayagonda Kokatanur [ Upstream commit 872307abbd0d9afd72171929806c2fa33dc34179 ] Check clk_prepare_enable() return value. Fixes: 2c7230446bc9 ("net: phy: Add pm support to Broadcom iProc mdio mux driver") Signed-off-by: Rayagonda Kokatanur Reviewed-by: Andrew Lunn Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/phy/mdio-mux-bcm-iproc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) --- a/drivers/net/phy/mdio-mux-bcm-iproc.c +++ b/drivers/net/phy/mdio-mux-bcm-iproc.c @@ -301,8 +301,13 @@ static int mdio_mux_iproc_resume(struct { struct platform_device *pdev = to_platform_device(dev); struct iproc_mdiomux_desc *md = platform_get_drvdata(pdev); + int rc; - clk_prepare_enable(md->core_clk); + rc = clk_prepare_enable(md->core_clk); + if (rc) { + dev_err(md->dev, "failed to enable core clk\n"); + return rc; + } mdio_mux_iproc_config(md); return 0;