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HID: magicmouse: Do not set BTN_MOUSE on double report

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[ Upstream commit bb5f0c855dcfc893ae5ed90e4c646bde9e4498bf ]

Under certain conditions the Magic Trackpad can group 2 reports in a
single packet. The packet is split and the raw event function is
invoked recursively for each part.

However, after processing each part, the BTN_MOUSE status is updated,
sending multiple click events. [1]

Return after processing double reports to avoid this issue.

Link: https://gitlab.freedesktop.org/libinput/libinput/-/issues/811  # [1]
Fixes: a462230e16 ("HID: magicmouse: enable Magic Trackpad support")
Reported-by: Nulo <git@nulo.in>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20221009182747.90730-1-jose.exposito89@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
José Expósito 2022-10-09 20:27:47 +02:00 committed by Greg Kroah-Hartman
parent 567f8de358
commit 4258c473ee
1 changed files with 1 additions and 1 deletions
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2
drivers/hid/hid-magicmouse.c
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@ -387,7 +387,7 @@ static int magicmouse_raw_event(struct hid_device *hdev,
magicmouse_raw_event(hdev, report, data + 2, data[1]);
magicmouse_raw_event(hdev, report, data + 2 + data[1],
size - 2 - data[1]);
break;
return 0;
default:
return 0;
}