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

[Jiada Wang]

From: Dean Jenkins <dean_jenk...@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_jenk...@mentor.com>
Signed-off-by: Deepak Das <deepak_...@mentor.com>
Signed-off-by: George G. Davis <george_da...@mentor.com>
Signed-off-by: Jiada Wang <jiada_w...@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