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media: dvb-core/dvb_demux: Skip GSE padding packets.

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This commit is contained in:
CrazyCat
2023-10-11 22:32:58 +03:00
parent fc0e3f58cf
commit 6c0e9d4ca7
1 changed files with 6 additions and 1 deletions
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7
drivers/media/dvb-core/dvb_demux.c
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@@ -1130,7 +1130,7 @@ static int _dvb_dmx_swfilter_gse( struct dvb_demux *demux, const u8 *buf, size_t
header_info = *buf << 24 | *(buf+1)<<16 | *(buf+2)<<8 | *(buf +3);
payload_type = ((enum gse_payload_type)(GSE_PAYLOAD_TYPE(header_info)));
label_type = ((gse_label_type_t)(GSE_LABEL_TYPE(header_info)));
/* Determine the length of the label of the GSE packet */
label_length = gse_get_label_length(label_type);
/* Get GSE Packet Length */
@@ -1139,6 +1139,11 @@ static int _dvb_dmx_swfilter_gse( struct dvb_demux *demux, const u8 *buf, size_t
dprintk_gsecheck("GSE packet length = %lu First 4byte of GSE header = %u\n",
buf_len,header_info);
if((payload_type == GSE_NEXT_FRAG_PDU) && (label_type == GSE_PKT_LABEL_SIX_BYTES)) {
dprintk_gsecheck("GSE padding len = %lu\n", (header_info & 0x0f000000) >> 24);
return ret;
}
/* finding protocol type,label length and label bits for
* full gse packet or 1st frag gse packet */
if((payload_type == GSE_FULL_PDU) || (payload_type == GSE_FIRST_FRAG_PDU)) {