netdev - RE: [PATCH v2] smsc95xx: Use skb_cow

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Message-ID: <9235D6609DB808459E95D78E17F2E43D40A488FD@CHN-SV-EXMX02.mchp-main.com>
Date:   Tue, 18 Apr 2017 23:18:08 +0000
From:   <Woojung.Huh@...rochip.com>
To:     <eric.dumazet@...il.com>
CC:     <james.hughes@...pberrypi.org>, <netdev@...r.kernel.org>,
        <steve.glendinning@...well.net>, <UNGLinuxDriver@...rochip.com>
Subject: RE: [PATCH v2] smsc95xx: Use skb_cow_head to deal with cloned skbs

> if (info->tx_fixup) {
>    skb = info->tx_fixup (dev, skb, GFP_ATOMIC);
> 
>    if (!skb) { // Note that skb is NULL now

You are right. skb  is return value of tx_fixup().

- Woojung