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From: Jiada Wang <jiada_wang@mentor.com>
To: <nick@shmanahar.org>, <dmitry.torokhov@gmail.com>,
	<jikos@kernel.org>, <benjamin.tissoires@redhat.com>,
	<rydberg@bitmath.org>
Cc: <linux-input@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<jiada_wang@mentor.com>
Subject: [PATCH v3 38/49] Input: atmel_mxt_ts: return error from mxt_process_messages_until_invalid()
Date: Tue, 17 Sep 2019 18:41:26 +0900	[thread overview]
Message-ID: <20190917094137.18851-5-jiada_wang@mentor.com> (raw)
In-Reply-To: <20190917094137.18851-1-jiada_wang@mentor.com>

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 5a31c1f50376..f2fa62289577 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1564,6 +1564,8 @@ 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);
-- 
2.19.2


      parent reply	other threads:[~2019-09-17  9:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-17  9:41 [PATCH v3 34/49] input: atmel_mxt_ts: export GPIO reset line via sysfs Jiada Wang
2019-09-17  9:41 ` [PATCH v3 35/49] input: atmel_mxt_ts: Add Missing Delay for reset handling of Atmel touch panel controller in detachable displays Jiada Wang
2019-09-17  9:41 ` [PATCH v3 36/49] Input: atmel_mxt_ts: Add support for run self-test routine Jiada Wang
2019-09-17  9:41 ` [PATCH v3 37/49] Input: atmel_mxt_ts: Limit the max bytes transferred in an i2c transaction Jiada Wang
2019-09-17  9:41 ` Jiada Wang [this message]

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