V4L/DVB (3436): Remove 'dvbdev' from struct dmxdev_filter

The member dvbdev gets initialized once but is never used after that.
Signed-off-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/dvb/dvb-core/dmxdev.c

@@ -694,7 +694,6 @@ static int dvb_demux_open(struct inode *inode, struct file *file)
 
 	dmxdevfilter=&dmxdev->filter[i];
 	mutex_init(&dmxdevfilter->mutex);
-	dmxdevfilter->dvbdev=dmxdev->dvbdev;
 	file->private_data=dmxdevfilter;
 
 	dvb_dmxdev_buffer_init(&dmxdevfilter->buffer);

drivers/media/dvb/dvb-core/dmxdev.h

@@ -62,8 +62,6 @@ struct dmxdev_buffer {
 };
 
 struct dmxdev_filter {
-	struct dvb_device *dvbdev;
-
 	union {
 		struct dmx_section_filter *sec;
 	} filter;