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Being more rugged towards missing MODE SENSE info

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This commit is contained in:
Thomas Schmitt
2014-02-10 21:33:50 +00:00
parent 43e1daab23
commit d40ab32360
4 changed files with 25 additions and 19 deletions
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20
libburn/spc.c
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@ -431,9 +431,6 @@ static int spc_sense_caps_al(struct burn_drive *d, int *alloc_len, int flag)
if (*alloc_len < 10)
{ret = 0; goto ex;}
if (!(flag & 1))
mmc_get_configuration(d);
BURN_ALLOC_MEM(msg, char, BURN_DRIVE_ADR_LEN + 160);
BURN_ALLOC_MEM(buf, struct buffer, 1);
BURN_ALLOC_MEM(c, struct command, 1);
@ -646,6 +643,8 @@ void spc_sense_caps(struct burn_drive *d)
if (mmc_function_spy(d, "sense_caps") <= 0)
return;
mmc_get_configuration(d);
/* first command execution to learn Allocation Length */
alloc_len = start_len;
ret = spc_sense_caps_al(d, &alloc_len, 1);
@ -694,7 +693,6 @@ void spc_sense_error_params(struct burn_drive *d)
c->page->sectors = 0;
c->dir = FROM_DRIVE;
d->issue_command(d, c);
m = d->mdata;
page = c->page->data + 8;
d->params.retries = page[3];
@ -781,9 +779,11 @@ void spc_sense_write_params(struct burn_drive *d)
if (!c->error) {
page = c->page->data + 8;
m->write_page_length = page[1];
m->write_page_valid = 1;
} else
m->write_page_valid = 0;
if (m->write_page_length > 0)
m->write_page_valid = 1;
else
m->write_page_length = 0x32;
}
mmc_read_disc_info(d);
/* ts A70212 : try to setup d->media_capacity_remaining */
@ -837,8 +837,6 @@ void spc_select_write_params(struct burn_drive *d, struct burn_session *s,
o->block_type,spc_block_type(o->block_type));
*/
if (d->mdata->write_page_valid <= 0)
d->mdata->write_page_length = 0;
alloc_len = 8 + 2 + d->mdata->write_page_length;
memset(&(buf->data), 0, alloc_len);
@ -1094,6 +1092,8 @@ int burn_scsi_setup_drive(struct burn_drive *d, int bus_no, int host_no,
d->mdata->max_write_speed = 0;
d->mdata->cur_write_speed = 0;
d->mdata->speed_descriptors = NULL;
d->mdata->write_page_length = 0x32;
d->mdata->write_page_valid = 0;
if (!(flag & 1)) {
ret = spc_setup_drive(d);
if (ret<=0)
@ -1733,7 +1733,7 @@ int scsi_log_reply(unsigned char *opcode, int data_dir, unsigned char *data,
l = 18;
if ((sense[0] & 0x7f) == 0x72 ||
(sense[0] & 0x7f) == 0x73)
l = sense[7] + 7 + 1; /* SPC-5 4.5.2. */
l = sense[7] + 7 + 1; /* SPC-3 4.5.2. */
if (l > sense_len)
l = sense_len;
fprintf(fp, "+++ sense data =");