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Bug fix: Device scan stalled on FreeBSD. Ticket 148 jwele

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This commit is contained in:
Thomas Schmitt 2009-04-30 07:08:23 +00:00
parent 8a55deb67a
commit 19805e6a0a
2 changed files with 18 additions and 4 deletions
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2
libburn/trunk/cdrskin/cdrskin_timestamp.h
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@ -1 +1 @@
#define Cdrskin_timestamP "2009.04.30.065918"
#define Cdrskin_timestamP "2009.04.30.070813"

18
libburn/trunk/libburn/sg-freebsd.c
View File

@ -1,6 +1,5 @@
/* -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 8; -*- */
#include <assert.h>
#include <errno.h>
#include <unistd.h>
#include <stdio.h>
@ -553,11 +552,26 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
if (c->page) {
ccb->csio.data_ptr = c->page->data;
if (c->dir == FROM_DRIVE) {
/* ts A90430 : Ticket 148 , by jwehle :
"On ... FreeBSD 6.4 which has a usb memory reader in
addition to a ATAPI DVD burner sg_issue_command
will hang while the SCSI bus is being scanned"
*/
if (c->dxfer_len >= 0)
ccb->csio.dxfer_len = c->dxfer_len;
else
ccb->csio.dxfer_len = BUFFER_SIZE;
/* touch page so we can use valgrind */
memset(c->page->data, 0, BUFFER_SIZE);
} else {
assert(c->page->bytes > 0);
/* ts A90430 */
/* a ssert(c->page->bytes > 0); */
if (c->page->bytes <= 0) {
c->error = 1;
return 0;
}
ccb->csio.dxfer_len = c->page->bytes;
}
} else {