taglinefilesource code
tx_bp565drivers/char/scc.cbptr = scc->tx_bp;  
tx_bp568drivers/char/scc.cscc->tx_bp = NULLBUF;
tx_bp834drivers/char/scc.cbp = scc->tx_bp;
tx_bp869drivers/char/scc.cscc->tx_bp = bp;
tx_bp879drivers/char/scc.cscc->tx_bp = NULLBUF;
tx_bp961drivers/char/scc.cif (scc->tx_bp != NULLBUF)
tx_bp963drivers/char/scc.cscc_enqueue_buffer(&scc->tx_buffer_pool, scc->tx_bp);
tx_bp964drivers/char/scc.cscc->tx_bp = NULLBUF;
tx_bp977drivers/char/scc.cif (scc->tx_bp != NULLBUF)
tx_bp979drivers/char/scc.cscc_enqueue_buffer(&scc->tx_buffer_pool, scc->tx_bp);
tx_bp980drivers/char/scc.cscc->tx_bp = NULLBUF;
tx_bp1419drivers/char/scc.cif (scc->tx_bp == NULLBUF)
tx_bp1439drivers/char/scc.cif (scc->tx_bp)    /* we had a timeout? */
tx_bp1451drivers/char/scc.cif (scc->tx_bp)      /* maxkeyup expired */ /* ?! */
tx_bp259include/linux/scc.hstruct mbuf *tx_bp;  /* pointer to frame currently transmitted */