fixed a warning

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2486 bbd45198-f89e-11dd-88c7-29a3b14d5316
2012-12-16 05:17:21 +00:00 · 2012-12-16 05:17:21 +00:00 · bc02dbc501
commit bc02dbc501
parent 4f7cfcd5e9
1 changed files with 0 additions and 1 deletions
--- a/components/drivers/usb/usbdevice/class/cdc_vcom.c
+++ b/components/drivers/usb/usbdevice/class/cdc_vcom.c
@ -226,7 +226,6 @@ static rt_err_t _cdc_get_line_coding(udevice_t device, ureq_t setup)
 {
    struct ucdc_line_coding data;
    rt_uint16_t size;
-    rt_err_t ret;
    
    RT_ASSERT(device != RT_NULL);
    RT_ASSERT(setup != RT_NULL);