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Date: Wed, 25 Nov 2020 10:35:23 -0500 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Pablo Ceballos <pceballos@...gle.com>, Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>, Jiri Kosina <jkosina@...e.cz>, Sasha Levin <sashal@...nel.org>, linux-input@...r.kernel.org, linux-iio@...r.kernel.org Subject: [PATCH AUTOSEL 5.9 06/33] HID: hid-sensor-hub: Fix issue with devices with no report ID From: Pablo Ceballos <pceballos@...gle.com> [ Upstream commit 34a9fa2025d9d3177c99351c7aaf256c5f50691f ] Some HID devices don't use a report ID because they only have a single report. In those cases, the report ID in struct hid_report will be zero and the data for the report will start at the first byte, so don't skip over the first byte. Signed-off-by: Pablo Ceballos <pceballos@...gle.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com> Signed-off-by: Jiri Kosina <jkosina@...e.cz> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/hid/hid-sensor-hub.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index 94c7398b5c279..3dd7d32467378 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -483,7 +483,8 @@ static int sensor_hub_raw_event(struct hid_device *hdev, return 1; ptr = raw_data; - ptr++; /* Skip report id */ + if (report->id) + ptr++; /* Skip report id */ spin_lock_irqsave(&pdata->lock, flags); -- 2.27.0
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