f_phonet: fix page offset of first received fragment

We pull one byte (the MAC header) from the first fragment before the
fragment is actually appended. So the socket buffer length is 1, not 0.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index 3490770333383d3d63c08977901b9311ff7cef15..16a509ae517b6b5a317422aa2553ce1316da46c5 100644 (file)
--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -346,7 +346,7 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req)
                }
 
                skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page,
-                               skb->len == 0, req->actual);
+                               skb->len <= 1, req->actual);
                page = NULL;
 
                if (req->actual < req->length) { /* Last fragment */