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If the REQUEST_SENSE command fails, issue a reset instead of XS_DRIVER_STUFFUP. 

If REQUEST_SENSE succeeds but doens't return any data, return XS_SHORTSENSE
as the sense field will just contain a copy or the error register.
This commit is contained in:
bouyer 1999-02-15 18:40:01 +00:00
parent a99dd435e7
commit 379429d4df
1 changed files with 14 additions and 3 deletions
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17
sys/dev/scsipi/atapi_wdc.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: atapi_wdc.c,v 1.16 1999/02/02 12:59:31 bouyer Exp $ */
/* $NetBSD: atapi_wdc.c,v 1.17 1999/02/15 18:40:01 bouyer Exp $ */
/*
* Copyright (c) 1998 Manuel Bouyer.
@ -595,10 +595,21 @@ again:
* request sense failed ! it's not suppossed
* to be possible
*/
sc_xfer->error = XS_DRIVER_STUFFUP;
} else {
if (dma_err < 0)
drvp->n_dmaerrs++;
sc_xfer->error = XS_RESET;
wdc_atapi_reset(chp, xfer);
return (1);
} else if (xfer->c_bcount <
sizeof(sc_xfer->sense.scsi_sense)) {
/* use the sense we just read */
sc_xfer->error = XS_SENSE;
} else {
/*
* command completed, but no data was read.
* use the short sense we saved previsouly.
*/
sc_xfer->error = XS_SHORTSENSE;
}
} else {
if (chp->ch_status & WDCS_ERR) {