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compositor-drm, evdev: don't crash on missing keyboard

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Weston's notify_keyboard_focus_*() assume that a keyboard is present, if
they are called. With evdev, there might not always be a keyboard.

Also clean up the variable definition in evdev_notify_keyborad_focus().
I read that function through many times and finally had to grep where
does 'all_keys' come from.

Signed-off-by: Pekka Paalanen <ppaalanen@gmail.com>
This commit is contained in:
Pekka Paalanen 2012-08-03 14:39:11 +03:00 • committed by Jonas Ådahl
parent b2d021b95e
commit e427ef8cb7
1 changed files with 5 additions and 1 deletions
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6
src/evdev.c
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@ -561,10 +561,14 @@ evdev_notify_keyboard_focus(struct weston_seat *seat,
struct evdev_input_device *device;
struct wl_array keys;
unsigned int i, set;
char evdev_keys[(KEY_CNT + 7) / 8], all_keys[(KEY_CNT + 7) / 8];
char evdev_keys[(KEY_CNT + 7) / 8];
char all_keys[(KEY_CNT + 7) / 8];
uint32_t *k;
int ret;
if (!seat->seat.keyboard)
return;
memset(all_keys, 0, sizeof all_keys);
wl_list_for_each(device, evdev_devices, link) {
memset(evdev_keys, 0, sizeof evdev_keys);