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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 27353C76188 for ; Fri, 19 Jul 2019 04:17:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E78A721851 for ; Fri, 19 Jul 2019 04:17:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563509843; bh=KZoO2DbCrcXXwCkCBpTdbKSSy5QdZX/Zsz62Y1pUrSU=; h=From:To:Cc:Subject:Date:List-ID:From; b=gt9NGQy4S4TXuedatKC9IZ0rXRcw6cAWIpeT4Xme6hF06MF+qOUast8brdLmLr6mV 6ff6lHA6LaChnl18Kslk/NtK29RXW8FNDcuFW3mwAzgq+gK4AocmGJcFLcUt+6+sk8 GTgdnyF1GBn/f3juRI4Pc/JAOoKRcctergObzIcw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389359AbfGSERV (ORCPT ); Fri, 19 Jul 2019 00:17:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:50650 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388611AbfGSEOZ (ORCPT ); Fri, 19 Jul 2019 00:14:25 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DB9962189D; Fri, 19 Jul 2019 04:14:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563509665; bh=KZoO2DbCrcXXwCkCBpTdbKSSy5QdZX/Zsz62Y1pUrSU=; h=From:To:Cc:Subject:Date:From; b=04Et1vEbT4Qi+G4f6gatpWw5ULyJetbGhA/McfzFU29QteyoZadAt1PpfBhoZ6eBV 8AjIcgiktMM1tThv9p+ZJRJ+5omBQgFn5suqDB2EVM09RgGWm+zQwx3cUDQthbfuj/ 2Q1HGWI/AF8Y2NPFz63RqA6Q1XyJIbhN93JGdMn8= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Peter Ujfalusi , Thierry Reding , Sasha Levin , dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 4.4 01/35] drm/panel: simple: Fix panel_simple_dsi_probe Date: Fri, 19 Jul 2019 00:13:49 -0400 Message-Id: <20190719041423.19322-1-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Ujfalusi [ Upstream commit 7ad9db66fafb0f0ad53fd2a66217105da5ddeffe ] In case mipi_dsi_attach() fails remove the registered panel to avoid added panel without corresponding device. Signed-off-by: Peter Ujfalusi Signed-off-by: Thierry Reding Link: https://patchwork.freedesktop.org/patch/msgid/20190226081153.31334-1-peter.ujfalusi@ti.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/panel/panel-simple.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index f418c002d323..ecad4d7c6cd1 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -1389,7 +1389,14 @@ static int panel_simple_dsi_probe(struct mipi_dsi_device *dsi) dsi->format = desc->format; dsi->lanes = desc->lanes; - return mipi_dsi_attach(dsi); + err = mipi_dsi_attach(dsi); + if (err) { + struct panel_simple *panel = dev_get_drvdata(&dsi->dev); + + drm_panel_remove(&panel->base); + } + + return err; } static int panel_simple_dsi_remove(struct mipi_dsi_device *dsi) -- 2.20.1