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Message-ID: <20200331105051.58896-45-jiada_wang@mentor.com>
Date:   Tue, 31 Mar 2020 03:50:40 -0700
From:   Jiada Wang <jiada_wang@...tor.com>
To:     <nick@...anahar.org>, <dmitry.torokhov@...il.com>,
        <jikos@...nel.org>, <benjamin.tissoires@...hat.com>,
        <bsz@...ihalf.com>
CC:     <linux-input@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <erosca@...adit-jv.com>, <Andrew_Gabbasov@...tor.com>,
        <jiada_wang@...tor.com>
Subject: [PATCH v10 44/55] Input: atmel_mxt_ts: return error from mxt_process_messages_until_invalid()

From: Dean Jenkins <Dean_Jenkins@...tor.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@...tor.com>
Signed-off-by: Deepak Das <deepak_das@...tor.com>
Signed-off-by: George G. Davis <george_davis@...tor.com>
Signed-off-by: Jiada Wang <jiada_wang@...tor.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

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