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441c147179
udev_device.c: fix TOCTOU race condition (illiliti/libudev-zero#57) illiliti/libudev-zero@a2cc51bb14 Avoidable OOM on small systems (illiliti/libudev-zero#62) illiliti/libudev-zero@5eca08d71d Fixes incorrect detection of touchpads (illiliti/libudev-zero#66) illiliti/libudev-zero@bbeb7ad51c Signed-off-by: Daniel Golle <daniel@makrotopia.org>
42 lines
1.6 KiB
Diff
42 lines
1.6 KiB
Diff
From bbeb7ad51c1edb7ab3cf63f30a21e9bb383b7994 Mon Sep 17 00:00:00 2001
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From: Matt <smattie@users.noreply.github.com>
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Date: Tue, 13 Feb 2024 11:20:52 +0000
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Subject: [PATCH] Fixes incorrect detection of touchpads (#66)
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Some touchpad drivers (such as applespi) claim to have both EV_ABS and EV_REL
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capabilities. These touchpads are then reported as mice by libudev-zero.
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---
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udev_device.c | 14 +++++++-------
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1 file changed, 7 insertions(+), 7 deletions(-)
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--- a/udev_device.c
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+++ b/udev_device.c
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@@ -458,13 +458,7 @@ static void set_properties_from_evdev(st
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udev_list_entry_add(&udev_device->properties, "ID_INPUT_SWITCH", "1", 0);
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}
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- if (test_bit(ev_bits, EV_REL)) {
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- if (test_bit(rel_bits, REL_Y) && test_bit(rel_bits, REL_X) &&
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- test_bit(key_bits, BTN_MOUSE)) {
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- udev_list_entry_add(&udev_device->properties, "ID_INPUT_MOUSE", "1", 0);
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- }
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- }
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- else if (test_bit(ev_bits, EV_ABS)) {
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+ if (test_bit(ev_bits, EV_ABS)) {
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if (test_bit(key_bits, BTN_SELECT) || test_bit(key_bits, BTN_TR) ||
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test_bit(key_bits, BTN_START) || test_bit(key_bits, BTN_TL)) {
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if (test_bit(key_bits, BTN_TOUCH)) {
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@@ -494,6 +488,12 @@ static void set_properties_from_evdev(st
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}
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}
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}
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+ else if (test_bit(ev_bits, EV_REL)) {
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+ if (test_bit(rel_bits, REL_Y) && test_bit(rel_bits, REL_X) &&
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+ test_bit(key_bits, BTN_MOUSE)) {
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+ udev_list_entry_add(&udev_device->properties, "ID_INPUT_MOUSE", "1", 0);
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+ }
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+ }
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if (!test_bit(ev_bits, EV_KEY)) {
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return;
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