diff options
| -rw-r--r-- | drivers/media/dvb/pt1/pt1.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/media/dvb/pt1/pt1.c b/drivers/media/dvb/pt1/pt1.c index 463f7849c44..8229a9150c5 100644 --- a/drivers/media/dvb/pt1/pt1.c +++ b/drivers/media/dvb/pt1/pt1.c @@ -28,6 +28,7 @@ #include <linux/pci.h> #include <linux/kthread.h> #include <linux/freezer.h> +#include <linux/ratelimit.h> #include "dvbdev.h" #include "dvb_demux.h" @@ -92,6 +93,7 @@ struct pt1_adapter { u8 *buf; int upacket_count; int packet_count; + int st_count; struct dvb_adapter adap; struct dvb_demux demux; @@ -266,6 +268,7 @@ static int pt1_filter(struct pt1 *pt1, struct pt1_buffer_page *page) struct pt1_adapter *adap; int offset; u8 *buf; + int sc; if (!page->upackets[PT1_NR_UPACKETS - 1]) return 0; @@ -282,6 +285,16 @@ static int pt1_filter(struct pt1 *pt1, struct pt1_buffer_page *page) else if (!adap->upacket_count) continue; + if (upacket >> 24 & 1) + printk_ratelimited(KERN_INFO "earth-pt1: device " + "buffer overflowing. table[%d] buf[%d]\n", + pt1->table_index, pt1->buf_index); + sc = upacket >> 26 & 0x7; + if (adap->st_count != -1 && sc != ((adap->st_count + 1) & 0x7)) + printk_ratelimited(KERN_INFO "earth-pt1: data loss" + " in streamID(adapter)[%d]\n", index); + adap->st_count = sc; + buf = adap->buf; offset = adap->packet_count * 188 + adap->upacket_count * 3; buf[offset] = upacket >> 16; @@ -652,6 +665,7 @@ pt1_alloc_adapter(struct pt1 *pt1) adap->buf = buf; adap->upacket_count = 0; adap->packet_count = 0; + adap->st_count = -1; dvb_adap = &adap->adap; dvb_adap->priv = adap; |