summaryrefslogtreecommitdiff
path: root/drivers/usb/gadget/composite.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/gadget/composite.c')
-rw-r--r--drivers/usb/gadget/composite.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index d67de0d22a2b..eb648485a58c 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1868,14 +1868,19 @@ unknown:
}
break;
}
- req->length = value;
- req->context = cdev;
- req->zero = value < w_length;
- value = composite_ep0_queue(cdev, req, GFP_ATOMIC);
- if (value < 0) {
- DBG(cdev, "ep_queue --> %d\n", value);
- req->status = 0;
- composite_setup_complete(gadget->ep0, req);
+
+ if (value >= 0) {
+ req->length = value;
+ req->context = cdev;
+ req->zero = value < w_length;
+ value = composite_ep0_queue(cdev, req,
+ GFP_ATOMIC);
+ if (value < 0) {
+ DBG(cdev, "ep_queue --> %d\n", value);
+ req->status = 0;
+ composite_setup_complete(gadget->ep0,
+ req);
+ }
}
return value;
}