Bitmaps are "unsigned long[]", so better use "unsigned long *" instead of a
plain "void *" when dealing with pointers to bitmaps.

This is more informative.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/8bdf9148ce1a5d01aac11c46c8617b477813457e.1683473011.git.christophe.jaillet@wanadoo.frSigned-off-by: Martin K. Petersen <martin.petersen@oracle.com>