Staging: most: Use NULL instead of zero
Staging: most: Use NULL instead of zero

This patch fixes the warning generated by sparse
"Using plain integer as NULL pointer" by using NULL
instead of zero.

Signed-off-by: Ronit halder <12872b17f25cb1e1709f8a07c626e1a17ab8670a@gmail.com>
Acked-by: Christian Gromm <21022a04faaa7b3bd13155340dc517e25d9968cf@microchip.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs