fix urb and pipe pointer check order

2022-09-12 20:42:06 +08:00
parent 1df32997ed
commit 2db0dc9a7e
2 changed files with 11 additions and 5 deletions
--- a/port/dwc2/usb_hc_dwc2.c
+++ b/port/dwc2/usb_hc_dwc2.c
@@ -754,9 +754,13 @@ int usbh_submit_urb(struct usbh_urb *urb)
    size_t flags;
    int ret = 0;

+    if (!urb) {
+        return -EINVAL;
+    }
+
    chan = urb->pipe;

-    if (!urb || !chan) {
+    if (!chan) {
        return -EINVAL;
    }

@@ -832,7 +836,7 @@ int usbh_kill_urb(struct usbh_urb *urb)
    pipe->urb = NULL;

    usb_osal_leave_critical_section(flags);
-    
+
    return 0;
 }