Commit ffdeca88 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
Browse files

[media] em28xx_dvb: only call the software filter if data 



Several URBs will be simply not filled. Don't call the DVB
core software filter for those empty URBs.

Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent cd701c89

drivers/media/usb/em28xx/em28xx-dvb.c

+4 −0
Original line number Diff line number Diff line
@@ -161,6 +161,8 @@ static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb) 
				if (urb->status != -EPROTO)

					continue;

			}

			if (!urb->actual_length)

				continue;

			dvb_dmx_swfilter(&dev->dvb->demux, urb->transfer_buffer,

					urb->actual_length);

		} else {
@@ -170,6 +172,8 @@ static inline int em28xx_dvb_urb_data_copy(struct em28xx *dev, struct urb *urb) 
				if (urb->iso_frame_desc[i].status != -EPROTO)

					continue;

			}

			if (!urb->iso_frame_desc[i].actual_length)

				continue;

			dvb_dmx_swfilter(&dev->dvb->demux,

					 urb->transfer_buffer +

					 urb->iso_frame_desc[i].offset,