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-rw-r--r--rbutil/e200rpatcher/e200rpatcher.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/rbutil/e200rpatcher/e200rpatcher.c b/rbutil/e200rpatcher/e200rpatcher.c
index eff6dc136b..8d0c674a5e 100644
--- a/rbutil/e200rpatcher/e200rpatcher.c
+++ b/rbutil/e200rpatcher/e200rpatcher.c
@@ -106,6 +106,7 @@ void do_patching(void)
struct usb_device *tmp_dev;
struct usb_device *dev = NULL;
usb_dev_handle *dh;
+ int err;
fprintf(stderr,"[INFO] Searching for E200R\n");
@@ -148,13 +149,21 @@ found:
return;
}
- /* "must be called" written in the libusb documentation */
- if (usb_claim_interface(dh, dev->config->interface->altsetting->bInterfaceNumber)) {
- fprintf(stderr, "[ERR] Device is busy. (I was unable to claim its interface.)\n");
+ err = usb_set_configuration(dh, 1);
+
+ if (err < 0) {
+ fprintf(stderr, "[ERR] usb_set_configuration failed (%d)\n", err);
usb_close(dh);
return;
}
+ /* "must be called" written in the libusb documentation */
+ err = usb_claim_interface(dh, dev->config->interface->altsetting->bInterfaceNumber);
+ if (err < 0) {
+ fprintf(stderr, "[ERR] Unable to claim interface (%d)\n", err);
+ usb_close(dh);
+ return;
+ }
fprintf(stderr,"[INFO] Found E200R, uploading patching application.\n");