Commit b15bbd4e3f382643491e60b4ec2ad6a1d54db4ad
2021-04-22T16:11:13
SDL_udev: check for NULL return value from udev_device_get_action Signed-off-by: Steven Noonan <steven@valvesoftware.com> Signed-off-by: Sam Lantinga <slouken@libsdl.org>
diff --git a/src/core/linux/SDL_udev.c b/src/core/linux/SDL_udev.c
index 08f4a4b..8eaf2f2 100644
--- a/src/core/linux/SDL_udev.c
+++ b/src/core/linux/SDL_udev.c
@@ -449,13 +449,15 @@ SDL_UDEV_Poll(void)
}
action = _this->syms.udev_device_get_action(dev);
- if (SDL_strcmp(action, "add") == 0) {
- /* Wait for the device to finish initialization */
- SDL_Delay(100);
-
- device_event(SDL_UDEV_DEVICEADDED, dev);
- } else if (SDL_strcmp(action, "remove") == 0) {
- device_event(SDL_UDEV_DEVICEREMOVED, dev);
+ if (action) {
+ if (SDL_strcmp(action, "add") == 0) {
+ /* Wait for the device to finish initialization */
+ SDL_Delay(100);
+
+ device_event(SDL_UDEV_DEVICEADDED, dev);
+ } else if (SDL_strcmp(action, "remove") == 0) {
+ device_event(SDL_UDEV_DEVICEREMOVED, dev);
+ }
}
_this->syms.udev_device_unref(dev);