CVE-2022-50358 brcmfmac: return error when getting invalid max_flowrings from dongle

In the Linux kernel, the following vulnerability has been resolved: brcmfmac: return error when getting invalid maxflowrings from dongle When firmware hit trap at initialization, host will read abnormal maxflowrings number from dongle, and it will cause kernel panic when doing iowrite to initiali...