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,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 BC88AC2D0C6 for ; Fri, 27 Dec 2019 18:19:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8FF0320722 for ; Fri, 27 Dec 2019 18:19:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577470795; bh=lNUYq7bp5wkI5mc/7OLg2R0gWlSNmXm1kqXk6M4f69k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=zu8oivH1//TnngRk9fmNOWsi8rPNtTBLxSdFa8J4FbqpdVrvHWbwTwAk/ARFzsdqQ XTDxSAdKsTuBu2w6sMhCRy0vdlrkYqAtxwek649yLZNdlWle/xim4yGk7OQP03gmJQ 4dmIjm6ce62wI+av3S/1lN61m2hfDSJr7TEEuVBU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727664AbfL0STy (ORCPT ); Fri, 27 Dec 2019 13:19:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:38964 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727250AbfL0SOn (ORCPT ); Fri, 27 Dec 2019 13:14:43 -0500 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 1D5B0218AC; Fri, 27 Dec 2019 18:14:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1577470483; bh=lNUYq7bp5wkI5mc/7OLg2R0gWlSNmXm1kqXk6M4f69k=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GVHOByvfHHjZhz6TjkzVtq3FJItZ3RuR3ETPk+dRNOga7Rqzl3lgTa3nFeYJBTBVp 2+RQ6hng9eDc7iXycrD9G4Lrq0XxSA4PyaJpqspAeo9O6GUz6lUfvDY4C2l2og40q3 M0jb304OpAGwoXAFCjTz52HBCMOXtTv/weZjx4bg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Arvind Sankar , Ard Biesheuvel , Andy Shevchenko , Bhupesh Sharma , Masayoshi Mizuma , linux-efi@vger.kernel.org, Ingo Molnar , Sasha Levin Subject: [PATCH AUTOSEL 4.9 05/38] efi/gop: Return EFI_SUCCESS if a usable GOP was found Date: Fri, 27 Dec 2019 13:14:02 -0500 Message-Id: <20191227181435.7644-5-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191227181435.7644-1-sashal@kernel.org> References: <20191227181435.7644-1-sashal@kernel.org> 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: Arvind Sankar [ Upstream commit dbd89c303b4420f6cdb689fd398349fc83b059dd ] If we've found a usable instance of the Graphics Output Protocol (GOP) with a framebuffer, it is possible that one of the later EFI calls fails while checking if any support console output. In this case status may be an EFI error code even though we found a usable GOP. Fix this by explicitly return EFI_SUCCESS if a usable GOP has been located. Signed-off-by: Arvind Sankar Signed-off-by: Ard Biesheuvel Cc: Andy Shevchenko Cc: Bhupesh Sharma Cc: Masayoshi Mizuma Cc: linux-efi@vger.kernel.org Link: https://lkml.kernel.org/r/20191206165542.31469-4-ardb@kernel.org Signed-off-by: Ingo Molnar Signed-off-by: Sasha Levin --- drivers/firmware/efi/libstub/gop.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c index 16ed61c023e8..81ffda5d1e48 100644 --- a/drivers/firmware/efi/libstub/gop.c +++ b/drivers/firmware/efi/libstub/gop.c @@ -200,7 +200,7 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, si->capabilities |= VIDEO_CAPABILITY_SKIP_QUIRKS; - return status; + return EFI_SUCCESS; } static efi_status_t @@ -318,7 +318,7 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, si->capabilities |= VIDEO_CAPABILITY_SKIP_QUIRKS; - return status; + return EFI_SUCCESS; } /* -- 2.20.1