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net: caif: replace BUG_ON with recovery code
In caif_xmit, there is a crash if the ptr dev is NULL. However, by returning the error to the callers, the error can be handled. The patch fixes this issue. Signed-off-by: Aditya Pakki <pakki001@umn.edu> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 3 additions and 1 deletions
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@ -270,7 +270,9 @@ static int caif_xmit(struct sk_buff *skb, struct net_device *dev)
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{
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struct ser_device *ser;
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BUG_ON(dev == NULL);
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if (WARN_ON(!dev))
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return -EINVAL;
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ser = netdev_priv(dev);
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/* Send flow off once, on high water mark */
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