drivers: base: map: Use kmalloc_array instead of kmalloc

Reported by checkpatch.pl

While at it, removed blank line between function call and error
checking.

Signed-off-by: Andrei Poenaru <andreigpoenaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed