cannot be less than 0 - fread() returns 0 on error. Signed-off-by: GwanYeong Kim <gy741.kim@xxxxxxxxx> --- tools/usb/usbip/libsrc/usbip_device_driver.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/usb/usbip/libsrc/usbip_device_driver.c b/tools/usb/usbip/libsrc/usbip_device_driver.c index 051d7d3f443b..959bb29d0477 100644 --- a/tools/usb/usbip/libsrc/usbip_device_driver.c +++ b/tools/usb/usbip/libsrc/usbip_device_driver.c @@ -69,7 +69,7 @@ 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 = 0; plat = udev_device_get_parent(sdev); path = udev_device_get_syspath(plat); @@ -79,7 +79,7 @@ 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) goto err; fclose(fd); -- 2.17.1
