checkpatch: forbid filesystem accesses from within the kernel.
checkpatch: forbid filesystem accesses from within the kernel.

Use of the sys_open/close/read/write system calls from within
kernel code is inappropriate, and now triggers errors.

Change-Id: I98e20513c257d0664684b7144585853f617d771a
Signed-off-by: Gregory Bean <f88cfeecb26ee65d3f125e4606abc650452aeda5@codeaurora.org>
(cherry picked from commit ee62f2afcac1bcb180b2f0dddf2c8f5cda54bc5b)

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas