Potential NULL pointer deference in SFI

[Yizhuo Zhai]

Hi All:

drivers/sfi/sfi_core.c:

Inside function sfi_map_table(), sfi_map_memory() could return NULL,
however, the return value of sfi_map_memory() is not checked and get
used. This could potentially be unsafe.

-- 
Kind Regards,

Yizhuo Zhai

Computer Science, Graduate Student
University of California, Riverside