CVE-2022-50773 ALSA: mts64: fix possible null-ptr-defer in snd_mts64_interrupt

In the Linux kernel, the following vulnerability has been resolved: ALSA: mts64: fix possible null-ptr-defer in sndmts64interrupt I got a null-ptr-defer error report when I do the following tests on the qemu platform: make defconfig and CONFIGPARPORT=m, CONFIGPARPORTPC=m, CONFIGSNDMTS64=m Then...