Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
IronPort-SDR: cs4m7RbYzpTVVfnPAxKfUQDAlJkAHFQqqDTBIwGhOVCG4Fee/1Ne8/A3JMfF/HAbr6970xsfwc
 XHeQli4H6kpmY1dU5YNab0ITiyd64IOolSo90slStPlnd3Fy5RGds//9sevPKF0qpd8Ji5oYQ5
 mMBgFD5mxTFVxLfbtr2QN2FA3DsjLap1PC8bCCaSutAhcQLWVgwp0hHjmO43mzt5VWSK6USztx
 wm53Jne3+hRBOKvgtHpQB+JHOu5Lt7ZNiIOuWMLStyH1CdwDodW6Tk2kPo1MYs/d/KdzEtyQbk
 qzQ=
IronPort-SDR: +bMCQJJLPyqQABm5RnUXGfLNY9Hj6Vn8Rgt5hxaSnEmP2wMyR4frc0uc8Wfk1nE2wYwkH6W45y
 fNH8eckyDYA9xgoBi4n6uLU295Nhxjux1peD7SqJ1zzLtEgT0uw4dclDHtd37lVAF90JgjIY1G
 gBrmKAdZKB92z+RZwDsnCfiRoHSHCmxf3SvzttomhG5/ijL6MFc1YwoOlLv8pHd//T+LluRGQn
 W2+UWOTbenVP8qVFClPHDRak+gYf3DIx8Jwahvj+ubFfOll8kuGThmToKU0Z/3oJhVH26Waxd0
 7Hw=
From:   Jiada Wang <jiada_wang@mentor.com>
To:     <nick@shmanahar.org>, <dmitry.torokhov@gmail.com>,
        <jikos@kernel.org>, <benjamin.tissoires@redhat.com>,
        <bsz@semihalf.com>
CC:     <linux-input@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <erosca@de.adit-jv.com>, <Andrew_Gabbasov@mentor.com>,
        <jiada_wang@mentor.com>
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>
In-Reply-To: <20200331105051.58896-1-jiada_wang@mentor.com>
References: <20200331105051.58896-1-jiada_wang@mentor.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

From: Dean Jenkins <Dean_Jenkins@mentor.com>

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 <Dean_Jenkins@mentor.com>
Signed-off-by: Deepak Das <deepak_das@mentor.com>
Signed-off-by: George G. Davis <george_davis@mentor.com>
Signed-off-by: Jiada Wang <jiada_wang@mentor.com>
---
 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);
-- 
2.17.1