On one of my systems (a not-too-current FreeBSD 5.x), libusb appears

to have problems sending a control message (returns an "I/O error").
At least try to recover gracefully in the bening case where the user
did not request a particular serial number, so we could continue
anyway without knowing it.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@481 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch 2005-07-25 19:52:20 +00:00
parent 21b946baa5
commit 749c20d5d1
2 changed files with 15 additions and 1 deletions

View File

@ -1,3 +1,7 @@
2005-07-25 Joerg Wunsch <j@uriah.heep.sax.de>
* usb_libusb.c: Catch benign errors when reading the serial #.
2005-06-19 Joerg Wunsch <j@uriah.heep.sax.de>
* Makefile.am: Implement libusb-base USB transport for the

View File

@ -117,7 +117,17 @@ static int usbdev_open(char * port, long baud)
fprintf(stderr,
"%s: usb_open(): cannot read serial number \"%s\"\n",
progname, usb_strerror());
exit(1);
/*
* On some systems, libusb appears to have
* problems sending control messages. Catch the
* benign case where the user did not request a
* particular serial number, so we could
* continue anyway.
*/
if (serno != NULL)
exit(1); /* no chance */
else
strcpy(string, "[unknown]");
}
if (verbose)