CVE-2022-50130 staging: fbtft: core: set smem_len before fb_deferred_io_init call

In the Linux kernel, the following vulnerability has been resolved: staging: fbtft: core: set smemlen before fbdeferredioinit call The fbtftframebufferalloc calls fbdeferredioinit before initializing info-fix.smemlen. It is set to zero by the framebufferalloc function. It will trigger a WARNON at...