slp/selphy_print
1
0
Fork 0
Code Issues 48 Pull requests Activity

common: If an open fails, it's almost certainly becase we're not root.

Browse source
This commit is contained in:
Solomon Peachy 2013-07-25 14:21:36 -04:00
parent ec073b28f0
commit 576fd4de33
1 changed files with 1 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
backend_common.c
View file

@ -137,7 +137,7 @@ static int print_scan_output(struct libusb_device *device,
unsigned char manuf[STR_LEN_MAX] = "";
if (libusb_open(device, &dev)) {
ERROR("Could not open device %04x:%04x\n", desc->idVendor, desc->idProduct);
ERROR("Could not open device %04x:%04x (need to be root?)\n", desc->idVendor, desc->idProduct);
found = -1;
goto abort;
}
@ -513,7 +513,6 @@ int main (int argc, char **argv)
ret = libusb_open(list[found], &dev);
if (ret) {
ERROR("Printer open failure (Need to be root?) (%d)\n", ret);
ret = 4;
goto done;
}
@ -522,7 +521,6 @@ int main (int argc, char **argv)
ret = libusb_detach_kernel_driver(dev, iface);
if (ret) {
ERROR("Printer open failure (Could not detach printer from kernel)\n");
ret = 4;
goto done_close;
}
}
@ -530,14 +528,12 @@ int main (int argc, char **argv)
ret = libusb_claim_interface(dev, iface);
if (ret) {
ERROR("Printer open failure (Could not claim printer interface)\n");
ret = 4;
goto done_close;
}
ret = libusb_get_active_config_descriptor(list[found], &config);
if (ret) {
ERROR("Printer open failure (Could not fetch config descriptor)\n");
ret = 4;
goto done_close;
}