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=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 03940C433DF for ; Tue, 9 Jun 2020 00:19:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CEA8620823 for ; Tue, 9 Jun 2020 00:19:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591661952; bh=KlyNs6xYV4r0qSVA/sqnvpMD4awrGAD7Rgv1smJS0j4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Mx5bsCVsvWCCLSjiTz+mHZQL+ByXrOu/5fryIYNkAxHLtywyyKiyS5fgNdFeADZzM vo2i/xwf8J+i0wICQUeMe/ANMxxFrwZb9FMFbtrmO3tiiSmOEaW3zMDy62CG2w8Llh /fgUrwOGirVuCLQRnD9bZBYXfBpDhPpUL9+i9DDk= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728483AbgFIATL (ORCPT ); Mon, 8 Jun 2020 20:19:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:40504 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729585AbgFHXSU (ORCPT ); Mon, 8 Jun 2020 19:18:20 -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 C2F8920842; Mon, 8 Jun 2020 23:18:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1591658300; bh=KlyNs6xYV4r0qSVA/sqnvpMD4awrGAD7Rgv1smJS0j4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2l1XS6hVHaxBPFOoRlDPhywu+zENAFc5rFhR/AvEYLUtrj8NSNXbDrCuqN1l1qJZZ L/8T+99o5WCpLuyjfwJvlh95izr8cmFOF4F6kwp2SFqX4DV8FGSHmdsXgHdH6Td6eB 5yL+WmiVbIJerilmxqzj8EKFo85djExn9sg+tTTA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dennis YC Hsieh , CK Hu , Matthias Brugger , Sasha Levin , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org Subject: [PATCH AUTOSEL 5.6 303/606] soc: mediatek: cmdq: return send msg error code Date: Mon, 8 Jun 2020 19:07:08 -0400 Message-Id: <20200608231211.3363633-303-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200608231211.3363633-1-sashal@kernel.org> References: <20200608231211.3363633-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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 db37144ae98c..87ee9f767b7a 100644 --- a/drivers/soc/mediatek/mtk-cmdq-helper.c +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c @@ -351,7 +351,9 @@ 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