From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753965AbeEHCWH (ORCPT ); Mon, 7 May 2018 22:22:07 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:3876 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753723AbeEHCVF (ORCPT ); Mon, 7 May 2018 22:21:05 -0400 X-UUID: dc2398411f5a4d168234ad3c349ada2c-20180508 From: Bibby Hsieh To: David Airlie , Matthias Brugger , Daniel Vetter , , CC: Yingjoe Chen , Cawa Cheng , Daniel Kurtz , Bibby Hsieh , Philipp Zabel , YT Shen , Thierry Reding , CK Hu , Mao Huang , , , Sascha Hauer Subject: [PATCH 6/7] drm/mediatek: add a error return value when clock driver has been prepared Date: Tue, 8 May 2018 10:20:56 +0800 Message-ID: <20180508022057.29379-7-bibby.hsieh@mediatek.com> X-Mailer: git-send-email 2.12.5 In-Reply-To: <20180508022057.29379-1-bibby.hsieh@mediatek.com> References: <20180508022057.29379-1-bibby.hsieh@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DRM driver get the comp->clk by of_clk_get(), we only assign NULL to comp->clk when error happened, but do not return the error number. Signed-off-by: Bibby Hsieh --- drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c index 4672317e3ad1..d38a5303f8fc 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c @@ -283,7 +283,7 @@ int mtk_ddp_comp_init(struct device *dev, struct device_node *node, comp->irq = of_irq_get(node, 0); comp->clk = of_clk_get(node, 0); if (IS_ERR(comp->clk)) - comp->clk = NULL; + return PTR_ERR(comp->clk); /* Only DMA capable components need the LARB property */ comp->larb_dev = NULL; -- 2.12.5