Several URBs will be simply not filled. Don't call the DVB
core software filter for those empty URBs.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@xxxxxxxxxxx>
---
drivers/media/usb/em28xx/em28xx-dvb.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c
index c1091c454354..301463f463c6 100644
--- a/drivers/media/usb/em28xx/em28xx-dvb.c
+++ b/drivers/media/usb/em28xx/em28xx-dvb.c
@@ -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,
--
1.8.5.3
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