diff --git a/tools/usb/usbip/libsrc/usbip_device_driver.c b/tools/usb/usbip/libsrc/usbip_device_driver.c index ec3a0b794f15..67ae6c1557b8 100644 --- a/tools/usb/usbip/libsrc/usbip_device_driver.c +++ b/tools/usb/usbip/libsrc/usbip_device_driver.c @@ -81,7 +81,7 @@ int read_usb_vudc_device(struct udev_device *sdev, struct usbip_usb_device *dev) FILE *fd = NULL; struct udev_device *plat; const char *speed; - int ret = 0; + size_t ret; plat = udev_device_get_parent(sdev); path = udev_device_get_syspath(plat); @@ -91,8 +91,10 @@ int read_usb_vudc_device(struct udev_device *sdev, struct usbip_usb_device *dev) if (!fd) return -1; ret = fread((char *) &descr, sizeof(descr), 1, fd); - if (ret < 0) + if (ret != 1) { + err("Cannot read vudc device descr file: %s", strerror(errno)); goto err; + } fclose(fd); copy_descr_attr(dev, &descr, bDeviceClass);