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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,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 5049EC433E0 for ; Mon, 1 Jun 2020 18:08:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 25B90207D0 for ; Mon, 1 Jun 2020 18:08:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591034935; bh=gM9YRzn3kuFgPVGpApvzadERLBeSrMqro91MQy0ovP8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=NiVdPDWkbow1CMTxGAf6Yqw53M4OIQc7FDnvnoXNd7OhL9VpAHv2iSljOqEqtdzHV ttApsljz9laxryFUUrLR1nfoGdct0XpxBDTdbU94lGJSeuQ9K7xEDSHOOOcaxBp8U7 a7rAX6YUDNKoj9kEAb68tMWLRWmVmNavIARkQOcA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729577AbgFASIy (ORCPT ); Mon, 1 Jun 2020 14:08:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:55106 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730785AbgFASIv (ORCPT ); Mon, 1 Jun 2020 14:08:51 -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 258AB2068D; Mon, 1 Jun 2020 18:08:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591034930; bh=gM9YRzn3kuFgPVGpApvzadERLBeSrMqro91MQy0ovP8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PPdWigsVNB1gOQzXmk0yxrFbuC4fNV3KaNLbMQ/h7eJeZxFGFPfx1GZP3YFQH2SnF JE3wR6W90i/FVf4MHG7lJU7BheBgQTDaa5GS75X3O5f0cBZ99MrT65x42se4l5aXZe HBSYoKvX4EL3nt911NkgsrGFX0PuI/eZ6XeYumXI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dennis YC Hsieh , CK Hu , Matthias Brugger , Sasha Levin Subject: [PATCH 5.4 077/142] soc: mediatek: cmdq: return send msg error code Date: Mon, 1 Jun 2020 19:53:55 +0200 Message-Id: <20200601174046.007180577@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200601174037.904070960@linuxfoundation.org> References: <20200601174037.904070960@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dennis YC Hsieh [ Upstream commit 34c4e4072603ff5c174df73b973896abb76cbb51 ] Return error code to client if send message fail, so that client has chance to error handling. Fixes: 576f1b4bc802 ("soc: mediatek: Add Mediatek CMDQ helper") Signed-off-by: Dennis YC Hsieh Reviewed-by: CK Hu Link: https://lore.kernel.org/r/1583664775-19382-6-git-send-email-dennis-yc.hsieh@mediatek.com Signed-off-by: Matthias Brugger Signed-off-by: Sasha Levin --- drivers/soc/mediatek/mtk-cmdq-helper.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c index 73a852b2f417..34eec26b0c1f 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -258,7 +258,9 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb, spin_unlock_irqrestore(&client->lock, flags); } - mbox_send_message(client->chan, pkt); + err = mbox_send_message(client->chan, pkt); + if (err < 0) + return err; /* We can send next packet immediately, so just call txdone. */ mbox_client_txdone(client->chan, 0); -- 2.25.1