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Subject[PATCH 4/7] Input: libps2 - fix NAK handling
Date
Do not try to process "resend" or "reject" responses from the device
as normal response data for a command.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
drivers/input/serio/libps2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/serio/libps2.c b/drivers/input/serio/libps2.c
index d09450eca9a7..14b70a78875d 100644
--- a/drivers/input/serio/libps2.c
+++ b/drivers/input/serio/libps2.c
@@ -445,7 +445,7 @@ bool ps2_handle_ack(struct ps2dev *ps2dev, u8 data)
ps2dev->flags &= ~PS2_FLAG_ACK;
wake_up(&ps2dev->wait);

- if (data != PS2_RET_ACK)
+ if (!ps2dev->nak && data != PS2_RET_ACK)
ps2_handle_response(ps2dev, data);

return true;
--
2.40.1.606.ga4b1b128d6-goog
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