netdev - [PATCH] f_phonet: fix page offset of first received fragment

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Message-Id: <1321534735-9949-1-git-send-email-remi@remlab.net>
Date:	Thu, 17 Nov 2011 14:58:55 +0200
From:	Rémi Denis-Courmont <remi@...lab.net>
To:	netdev@...r.kernel.org
Cc:	Rémi Denis-Courmont 
	<remi.denis-courmont@...ia.com>
Subject: [PATCH] f_phonet: fix page offset of first received fragment

From: Rémi Denis-Courmont <remi.denis-courmont@...ia.com>

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@...ia.com>
---
 drivers/usb/gadget/f_phonet.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c
index 3490770..16a509a 100644
--- 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 */
-- 
1.7.5.4

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