Check for NULL before dereferencing newly allocated memory

Fixes https://github.com/libsdl-org/SDL/issues/8289
main
Sam Lantinga 2023-09-24 17:17:49 -07:00
parent 752f14e5a6
commit 70a1bc6973
1 changed files with 1 additions and 1 deletions

View File

@ -2116,11 +2116,11 @@ static SDL_bool LINUX_JoystickGetGamepadMapping(int device_index, SDL_GamepadMap
/* We temporarily open the device to check how it's configured. Make
a fake SDL_Joystick object to do so. */
joystick = (SDL_Joystick *)SDL_calloc(sizeof(*joystick), 1);
joystick->magic = &SDL_joystick_magic;
if (joystick == NULL) {
SDL_OutOfMemory();
return SDL_FALSE;
}
joystick->magic = &SDL_joystick_magic;
SDL_memcpy(&joystick->guid, &item->guid, sizeof(item->guid));
joystick->hwdata = (struct joystick_hwdata *)