<p><b>@keestux</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/RIOT-OS/RIOT/pull/10916#discussion_r253201370">cpu/sam0_common/usb/usb.c</a>:</p>
<pre style='color:#555'>> +            break;
+        case USBOPT_EP_STALL:
+            assert(value_len == sizeof(usbopt_enable_t));
+            _ep_set_stall(ep, *(usbopt_enable_t *)value);
+            res = sizeof(usbopt_enable_t);
+            break;
+        case USBOPT_EP_READY:
+            assert(value_len == sizeof(usbopt_enable_t));
+            if (*((usbopt_enable_t *)value)) {
+                _ep_unready(ep);
+            }
+            else {
+                usbdev_ep_ready(ep, 0);
+            }
+            res = sizeof(usbopt_enable_t);
+            res = sizeof(usbopt_enable_t);
</pre>
<p>Duplicate line?</p>

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