diff options
| -rw-r--r-- | drivers/scsi/scsi_debug.c | 37 |
1 files changed, 10 insertions, 27 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 46cae5a212de..82c06f0a9d02 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -329,7 +329,7 @@ int scsi_debug_queuecommand(struct scsi_cmnd * SCpnt, done_funct_t done) if (done == NULL) return 0; /* assume mid level reprocessing command */ - SCpnt->resid = 0; + scsi_set_resid(SCpnt, 0); if ((SCSI_DEBUG_OPT_NOISE & scsi_debug_opts) && cmd) { printk(KERN_INFO "scsi_debug: cmd "); for (k = 0, len = SCpnt->cmd_len; k < len; ++k) @@ -603,26 +603,16 @@ static int fill_from_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr, void * kaddr_off; struct scatterlist * sg; - if (0 == scp->request_bufflen) + if (0 == scsi_bufflen(scp)) return 0; - if (NULL == scp->request_buffer) + if (NULL == scsi_sglist(scp)) return (DID_ERROR << 16); if (! ((scp->sc_data_direction == DMA_BIDIRECTIONAL) || (scp->sc_data_direction == DMA_FROM_DEVICE))) return (DID_ERROR << 16); - if (0 == scp->use_sg) { - req_len = scp->request_bufflen; - act_len = (req_len < arr_len) ? req_len : arr_len; - memcpy(scp->request_buffer, arr, act_len); - if (scp->resid) - scp->resid -= act_len; - else - scp->resid = req_len - act_len; - return 0; - } active = 1; req_len = act_len = 0; - scsi_for_each_sg(scp, sg, scp->use_sg, k) { + scsi_for_each_sg(scp, sg, scsi_sg_count(scp), k) { if (active) { kaddr = (unsigned char *) kmap_atomic(sg_page(sg), KM_USER0); @@ -640,10 +630,10 @@ static int fill_from_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr, } req_len += sg->length; } - if (scp->resid) - scp->resid -= act_len; + if (scsi_get_resid(scp)) + scsi_set_resid(scp, scsi_get_resid(scp) - act_len); else - scp->resid = req_len - act_len; + scsi_set_resid(scp, req_len - act_len); return 0; } @@ -656,22 +646,15 @@ static int fetch_to_dev_buffer(struct scsi_cmnd * scp, unsigned char * arr, void * kaddr_off; struct scatterlist * sg; - if (0 == scp->request_bufflen) + if (0 == scsi_bufflen(scp)) return 0; - if (NULL == scp->request_buffer) + if (NULL == scsi_sglist(scp)) return -1; if (! ((scp->sc_data_direction == DMA_BIDIRECTIONAL) || (scp->sc_data_direction == DMA_TO_DEVICE))) return -1; - if (0 == scp->use_sg) { - req_len = scp->request_bufflen; - len = (req_len < max_arr_len) ? req_len : max_arr_len; - memcpy(arr, scp->request_buffer, len); - return len; - } - sg = scsi_sglist(scp); req_len = fin = 0; - for (k = 0; k < scp->use_sg; ++k, sg = sg_next(sg)) { + scsi_for_each_sg(scp, sg, scsi_sg_count(scp), k) { kaddr = (unsigned char *)kmap_atomic(sg_page(sg), KM_USER0); if (NULL == kaddr) return -1; |