Hmm, where is this change? In get_current_configuration() there is no
"Configuration" variable. Then the "if (Configuration)" doesn't make
sense. Do you have a patch against the Ubuntu patched version?
I tried something similar, and then I got: "Error: getting the interface
class failed. Aborting."
I then set interface class to 0 in those cases.
The patch of what I did is:
--- usb-modeswitch-1.1.7.orig/usb_modeswitch.c
+++ usb-modeswitch-1.1.7/usb_modeswitch.c
@@ -409,8 +409,8 @@ int main(int argc, char **argv)
defaultClass = dev->descriptor.bDeviceClass;
interfaceClass = get_interface0_class(dev, currentConfig);
if (interfaceClass == -1) {
- fprintf(stderr, "Error: getting the interface class failed.
Aborting.\n\n");
- exit(1);
+ fprintf(stderr, "Error: getting the interface class failed.
Falling back to assuming it is 0 (Defined at Interface level).\n\n");
+ interfaceClass = 0;
}
if (defaultClass == 0)
@@ -1389,8 +1389,8 @@ int get_current_configuration(struct usb
SHOW_PROGRESS("Getting the current device configuration ...\n");
ret = usb_control_msg(devh, USB_DIR_IN + USB_TYPE_STANDARD +
USB_RECIP_DEVICE, USB_REQ_GET_CONFIGURATION, 0, 0, buffer, 1, 1000);
if (ret < 0) {
- fprintf(stderr, "Error: getting the current configuration
failed (error %d). Aborting.\n\n", ret);
- exit(1);
+ fprintf(stderr, "Error: getting the current configuration
failed (error %d). Falling back to configuration 1.\n", ret);
+ return 0;
} else {
SHOW_PROGRESS(" OK, got current device configuration (%d)\n",
buffer[0]);
return buffer[0];
Attached the new error log.
** Attachment added: "Output using the patch mentioned in comment #20"
https://bugs.launchpad.net/ubuntu/+source/usb-modeswitch/+bug/769816/+attachment/2100998/+files/usb_modeswitch_1-1.4%3A1.0
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https://bugs.launchpad.net/bugs/769816
Title:
Switching of Samsung LTE modem does no longer work in Natty
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