diff options
Diffstat (limited to 'drivers/isdn/i4l')
| -rw-r--r-- | drivers/isdn/i4l/isdnhdlc.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/isdn/i4l/isdnhdlc.c b/drivers/isdn/i4l/isdnhdlc.c index df345ce73f4..c989aa35dc2 100644 --- a/drivers/isdn/i4l/isdnhdlc.c +++ b/drivers/isdn/i4l/isdnhdlc.c @@ -47,7 +47,7 @@ enum { HDLC_SEND_DATA, HDLC_SEND_CRC1, HDLC_SEND_FAST_FLAG, HDLC_SEND_FIRST_FLAG, HDLC_SEND_CRC2, HDLC_SEND_CLOSING_FLAG, HDLC_SEND_IDLE1, HDLC_SEND_FAST_IDLE, HDLC_SENDFLAG_B0, - HDLC_SENDFLAG_B1A6, HDLC_SENDFLAG_B7, STOPPED + HDLC_SENDFLAG_B1A6, HDLC_SENDFLAG_B7, STOPPED, HDLC_SENDFLAG_ONE }; void isdnhdlc_rcv_init(struct isdnhdlc_vars *hdlc, u32 features) @@ -362,6 +362,9 @@ int isdnhdlc_encode(struct isdnhdlc_vars *hdlc, const u8 *src, u16 slen, *count = slen; + /* special handling for one byte frames */ + if ((slen == 1) && (hdlc->state == HDLC_SEND_FAST_FLAG)) + hdlc->state = HDLC_SENDFLAG_ONE; while (dsize > 0) { if (hdlc->bit_shift == 0) { if (slen && !hdlc->do_closing) { @@ -407,6 +410,8 @@ int isdnhdlc_encode(struct isdnhdlc_vars *hdlc, const u8 *src, u16 slen, dsize--; break; } + /* fall through */ + case HDLC_SENDFLAG_ONE: if (hdlc->bit_shift == 8) { hdlc->cbin = hdlc->ffvalue >> (8 - hdlc->data_bits); |