staging: comedi: comedi_buf: don't export comedi_buf_memcpy_to()

This function is only used internally. Remove the export.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/comedi_buf.c

@@ -442,7 +442,8 @@ int comedi_buf_put(struct comedi_subdevice *s, unsigned short x)
 }
 EXPORT_SYMBOL_GPL(comedi_buf_put);
 
-void comedi_buf_memcpy_to(struct comedi_subdevice *s, unsigned int offset,
+static void comedi_buf_memcpy_to(struct comedi_subdevice *s,
+				 unsigned int offset,
 				 const void *data, unsigned int num_bytes)
 {
 	struct comedi_async *async = s->async;
@@ -467,7 +468,6 @@ void comedi_buf_memcpy_to(struct comedi_subdevice *s, unsigned int offset,
 		write_ptr = 0;
 	}
 }
-EXPORT_SYMBOL_GPL(comedi_buf_memcpy_to);
 
 static void comedi_buf_memcpy_from(struct comedi_subdevice *s,
 				   unsigned int offset,

drivers/staging/comedi/comedidev.h

@@ -443,9 +443,6 @@ unsigned int comedi_buf_read_free(struct comedi_subdevice *s, unsigned int n);
 
 int comedi_buf_put(struct comedi_subdevice *s, unsigned short x);
 
-void comedi_buf_memcpy_to(struct comedi_subdevice *s, unsigned int offset,
-			  const void *source, unsigned int num_bytes);
-
 unsigned int comedi_write_array_to_buffer(struct comedi_subdevice *s,
 					  const void *data,
 					  unsigned int num_bytes);