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cpia2: fix function prototype

From: Randy Dunlap <rdunlap (at) xenotime.net>

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 (at) xenotime.net>
---
 linsrc/linux-2616-g16/drivers/media/video/cpia2/cpia2.h |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

--- linux-2616-g16.orig/drivers/media/video/cpia2/cpia2.h
+++ linux-2616-g16/drivers/media/video/cpia2/cpia2.h
 (at)  (at)  -456,7 +456,7  (at)  (at)  int cpia2_init_camera(struct camera_data
 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);


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