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[libusb] Handle errors in dump_data_libusb() now.

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This commit is contained in:
Solomon Peachy 2012-11-06 22:44:56 -05:00
parent 87cd72033a
commit c86704ace7
1 changed files with 20 additions and 5 deletions
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25
es_print_libusb.c
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@ -73,7 +73,6 @@
#define USB_PID_CANON_CP810 0x3256
#define USB_PID_CANON_CP900 0x3255
// XXX fix this to return sane CUPS error.
static int dump_data_libusb(int remaining, int present, int data_fd,
struct libusb_device_handle *dev,
uint8_t endpoint,
@ -424,7 +423,11 @@ top:
DEBUG("Sending BLACK plane\n");
else
DEBUG("Sending YELLOW plane\n");
dump_data_libusb(plane_len, MAX_HEADER-printers[printer_type].init_length, data_fd, dev, endp_down, buffer, BUF_LEN);
ret = dump_data_libusb(plane_len, MAX_HEADER-printers[printer_type].init_length, data_fd, dev, endp_down, buffer, BUF_LEN);
if (ret < 0) {
ret = 4;
goto done_claimed;
}
state = S_PRINTER_Y_SENT;
break;
case S_PRINTER_Y_SENT:
@ -437,7 +440,11 @@ top:
break;
case S_PRINTER_READY_M:
DEBUG("Sending MAGENTA plane\n");
dump_data_libusb(plane_len, 0, data_fd, dev, endp_down, buffer, BUF_LEN);
ret = dump_data_libusb(plane_len, 0, data_fd, dev, endp_down, buffer, BUF_LEN);
if (ret < 0) {
ret = 4;
goto done_claimed;
}
state = S_PRINTER_M_SENT;
break;
case S_PRINTER_M_SENT:
@ -447,7 +454,11 @@ top:
break;
case S_PRINTER_READY_C:
DEBUG("Sending CYAN plane\n");
dump_data_libusb(plane_len, 0, data_fd, dev, endp_down, buffer, BUF_LEN);
ret = dump_data_libusb(plane_len, 0, data_fd, dev, endp_down, buffer, BUF_LEN);
if (ret < 0) {
ret = 4;
goto done_claimed;
}
state = S_PRINTER_C_SENT;
break;
case S_PRINTER_C_SENT:
@ -458,7 +469,11 @@ top:
case S_PRINTER_DONE:
if (printers[printer_type].foot_length) {
DEBUG("Sending cleanup sequence\n");
dump_data_libusb(printers[printer_type].foot_length, 0, data_fd, dev, endp_down, buffer, BUF_LEN);
ret = dump_data_libusb(printers[printer_type].foot_length, 0, data_fd, dev, endp_down, buffer, BUF_LEN);
if (ret < 0) {
ret = 4;
goto done_claimed;
}
}
state = S_FINISHED;
break;