[PATCH v11 45/56] Input: atmel_mxt_ts: return error from mxt_process_messages_until_invalid()

Jiada Wang
2020-05-08T05:59:56Z

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 ed850a0bae69..7c530ffac1ba 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1563,6 +1563,8 @@ 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