From patchwork Tue Mar 31 10:50:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Wang, Jiada" X-Patchwork-Id: 207983 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=HEADER_FROM_DIFFERENT_DOMAINS, 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 D0458C2D0E8 for ; Tue, 31 Mar 2020 10:53:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AF26220772 for ; Tue, 31 Mar 2020 10:53:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730619AbgCaKxn (ORCPT ); Tue, 31 Mar 2020 06:53:43 -0400 Received: from esa4.mentor.iphmx.com ([68.232.137.252]:43597 "EHLO esa4.mentor.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730946AbgCaKxm (ORCPT ); Tue, 31 Mar 2020 06:53:42 -0400 IronPort-SDR: cs4m7RbYzpTVVfnPAxKfUQDAlJkAHFQqqDTBIwGhOVCG4Fee/1Ne8/A3JMfF/HAbr6970xsfwc XHeQli4H6kpmY1dU5YNab0ITiyd64IOolSo90slStPlnd3Fy5RGds//9sevPKF0qpd8Ji5oYQ5 mMBgFD5mxTFVxLfbtr2QN2FA3DsjLap1PC8bCCaSutAhcQLWVgwp0hHjmO43mzt5VWSK6USztx wm53Jne3+hRBOKvgtHpQB+JHOu5Lt7ZNiIOuWMLStyH1CdwDodW6Tk2kPo1MYs/d/KdzEtyQbk qzQ= X-IronPort-AV: E=Sophos;i="5.72,327,1580803200"; d="scan'208";a="47330838" Received: from orw-gwy-01-in.mentorg.com ([192.94.38.165]) by esa4.mentor.iphmx.com with ESMTP; 31 Mar 2020 02:53:42 -0800 IronPort-SDR: +bMCQJJLPyqQABm5RnUXGfLNY9Hj6Vn8Rgt5hxaSnEmP2wMyR4frc0uc8Wfk1nE2wYwkH6W45y fNH8eckyDYA9xgoBi4n6uLU295Nhxjux1peD7SqJ1zzLtEgT0uw4dclDHtd37lVAF90JgjIY1G gBrmKAdZKB92z+RZwDsnCfiRoHSHCmxf3SvzttomhG5/ijL6MFc1YwoOlLv8pHd//T+LluRGQn W2+UWOTbenVP8qVFClPHDRak+gYf3DIx8Jwahvj+ubFfOll8kuGThmToKU0Z/3oJhVH26Waxd0 7Hw= From: Jiada Wang To: , , , , CC: , , , , Subject: [PATCH v10 44/55] Input: atmel_mxt_ts: return error from mxt_process_messages_until_invalid() Date: Tue, 31 Mar 2020 03:50:40 -0700 Message-ID: <20200331105051.58896-45-jiada_wang@mentor.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200331105051.58896-1-jiada_wang@mentor.com> References: <20200331105051.58896-1-jiada_wang@mentor.com> MIME-Version: 1.0 Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org From: Dean Jenkins mxt_process_messages_until_invalid() failed to propagate the error code from mxt_read_and_process_messages() so return the error code. Signed-off-by: Dean Jenkins Signed-off-by: Deepak Das Signed-off-by: George G. Davis Signed-off-by: Jiada Wang --- drivers/input/touchscreen/atmel_mxt_ts.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 384b53717139..bbec5a8e0bb6 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -1561,6 +1561,8 @@ static int mxt_process_messages_until_invalid(struct mxt_data *data) /* Read messages until we force an invalid */ do { read = mxt_read_and_process_messages(data, count); + if (read < 0) + return read; if (read < count) return 0; } while (--tries);