media: dvb-core: Do not initialize twice queue num_buffer field

The above memset already zeroed all the ctx fields, it is useless
to do it here again.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/dvb-core/dvb_vb2.c

@@ -167,8 +167,6 @@ int dvb_vb2_init(struct dvb_vb2_ctx *ctx, const char *name, int nonblocking)
 
 	memset(ctx, 0, sizeof(struct dvb_vb2_ctx));
 	q->type = DVB_BUF_TYPE_CAPTURE;
-	/**capture type*/
-	q->is_output = 0;
 	/**only mmap is supported currently*/
 	q->io_modes = VB2_MMAP;
 	q->drv_priv = ctx;
@@ -177,7 +175,6 @@ int dvb_vb2_init(struct dvb_vb2_ctx *ctx, const char *name, int nonblocking)
 	q->ops = &dvb_vb2_qops;
 	q->mem_ops = &vb2_vmalloc_memops;
 	q->buf_ops = &dvb_vb2_buf_ops;
-	q->num_buffers = 0;
 	ret = vb2_core_queue_init(q);
 	if (ret) {
 		ctx->state = DVB_VB2_STATE_NONE;