CVE-2022-50542 media: si470x: Fix use-after-free in si470x_int_in_callback()

In the Linux kernel, the following vulnerability has been resolved: media: si470x: Fix use-after-free in si470xintincallback syzbot reported use-after-free in si470xintincallback 1. This indicates that urb-context, which contains struct si470xdevice object, is freed when si470xintincallback is...