Lines Matching refs:kbuf
790 char *kbuf; in cosa_read() local
826 kbuf = chan->rxdata; in cosa_read()
831 if (copy_to_user(buf, kbuf, count)) { in cosa_read()
832 kfree(kbuf); in cosa_read()
835 kfree(kbuf); in cosa_read()
865 char *kbuf; in cosa_write() local
879 kbuf = kmalloc(count, GFP_KERNEL|GFP_DMA); in cosa_write()
880 if (kbuf == NULL) { in cosa_write()
884 if (copy_from_user(kbuf, buf, count)) { in cosa_write()
886 kfree(kbuf); in cosa_write()
890 cosa_start_tx(chan, kbuf, count); in cosa_write()
913 kfree(kbuf); in cosa_write()