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authorJosé Expósito <jose.exposito89@gmail.com>2022-10-09 20:27:47 +0200
committerBenjamin Tissoires <benjamin.tissoires@redhat.com>2022-10-14 10:47:50 +0100
commitbb5f0c855dcfc893ae5ed90e4c646bde9e4498bf (patch)
tree6066299c5fd26caa71162e87438873c6dbbde3b8 /drivers/hid/hid-magicmouse.c
parent79d11de9637a37035b4a72ccb528b3dfebc1bf67 (diff)
HID: magicmouse: Do not set BTN_MOUSE on double report
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: a462230e16ac ("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
Diffstat (limited to 'drivers/hid/hid-magicmouse.c')
-rw-r--r--drivers/hid/hid-magicmouse.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 664a624a363d..c9c968d4b36a 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -480,7 +480,7 @@ 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;
}