linux-kernel - [PATCH v2 1/3] usb: gadget: NCM: link socket buffers to the device for tx packets

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Message-ID: <1474272342-5065-2-git-send-email-harish_kandiga@mentor.com>
Date:   Mon, 19 Sep 2016 10:05:40 +0200
From:   Harish Jenny K N <harish_kandiga@...tor.com>
To:     Felipe Balbi <balbi@...nel.org>
CC:     <linux-usb@...r.kernel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-kernel@...r.kernel.org>, Jim Baxter <jim_baxter@...tor.com>,
        <harish_kandiga@...tor.com>, <tpolle@...adit-jv.com>
Subject: [PATCH v2 1/3] usb: gadget: NCM: link socket buffers to the device for tx packets

From: Torsten Polle <tpolle@...adit-jv.com>

Socket buffers should be linked to the (network) device that allocated
the buffers.

Signed-off-by: Torsten Polle <tpolle@...adit-jv.com>
Signed-off-by: Harish Jenny K N <harish_kandiga@...tor.com>
---
 drivers/usb/gadget/function/f_ncm.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index 6396037..b6771ad 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -1078,6 +1078,7 @@ static struct sk_buff *ncm_wrap_ntb(struct gether *port,
 			if (!ncm->skb_tx_data)
 				goto err;
 
+			ncm->skb_tx_data->dev = ncm->netdev;
 			ntb_data = (void *) skb_put(ncm->skb_tx_data, ncb_len);
 			memset(ntb_data, 0, ncb_len);
 			/* dwSignature */
@@ -1096,6 +1097,8 @@ static struct sk_buff *ncm_wrap_ntb(struct gether *port,
 						    GFP_ATOMIC);
 			if (!ncm->skb_tx_ndp)
 				goto err;
+
+			ncm->skb_tx_ndp->dev = ncm->netdev;
 			ntb_ndp = (void *) skb_put(ncm->skb_tx_ndp,
 						    opts->ndp_size);
 			memset(ntb_ndp, 0, ncb_len);
-- 
1.7.9.5