[PATCH v1 1/3] usb: gadget: NCM: link socket buffers to the device for tx packets

From: Harish Jenny K N
Date: Thu Sep 15 2016 - 10:23:59 EST


From: Torsten Polle <tpolle@xxxxxxxxxxxxxx>

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

Signed-off-by: Torsten Polle <tpolle@xxxxxxxxxxxxxx>
Signed-off-by: Harish Jenny K N <harish_kandiga@xxxxxxxxxx>
---
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