Rémi Bernon : win32u: Avoid reallocating rawinput device array with zero size.
Module: wine Branch: master Commit: b5ed53899337660c3fad7bd4023b84eb84eb96f7 URL: https://gitlab.winehq.org/wine/wine/-/commit/b5ed53899337660c3fad7bd4023b84e... Author: Rémi Bernon <rbernon(a)codeweavers.com> Date: Fri Aug 5 15:49:17 2022 +0200 win32u: Avoid reallocating rawinput device array with zero size. It actually frees the pointer. --- dlls/win32u/rawinput.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/dlls/win32u/rawinput.c b/dlls/win32u/rawinput.c index 8e3f3ace15a..44951522442 100644 --- a/dlls/win32u/rawinput.c +++ b/dlls/win32u/rawinput.c @@ -856,6 +856,12 @@ BOOL WINAPI NtUserRegisterRawInputDevices( const RAWINPUTDEVICE *devices, UINT d pthread_mutex_lock( &rawinput_mutex ); + if (!registered_device_count && !device_count) + { + pthread_mutex_unlock( &rawinput_mutex ); + return TRUE; + } + size = (SIZE_T)device_size * (registered_device_count + device_count); registered_devices = realloc( registered_devices, size ); if (registered_devices) for (i = 0; i < device_count; ++i) register_rawinput_device( devices + i );
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Alexandre Julliard