Fix address space warning (from sparse):
drivers/media/video/cpia2/cpia2_core.c:2355:6: error: symbol 'cpia2_read' redeclared with different type (originally declared at drivers/media/video/cpia2/cpia2.h:458) - incompatible argument 2 (different address spaces)
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
 int cpia2_allocate_buffers(struct camera_data *cam);
 void cpia2_free_buffers(struct camera_data *cam);
 long cpia2_read(struct camera_data *cam,
-               char *buf, unsigned long count, int noblock);
+               char __user *buf, unsigned long count, int noblock);
 unsigned int cpia2_poll(struct camera_data *cam,
                        struct file *filp, poll_table *wait);
 int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma);