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generic: mvswitch: add detach callback
Use the detach callback to disable packet mangling to avoid possible NULL pointer dereference. Compile tested only. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> SVN-Revision: 35512
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@ -348,16 +348,26 @@ mvswitch_config_aneg(struct phy_device *phydev)
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}
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static void
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mvswitch_remove(struct phy_device *pdev)
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mvswitch_detach(struct phy_device *pdev)
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{
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struct mvswitch_priv *priv = to_mvsw(pdev);
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struct net_device *dev = pdev->attached_dev;
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if (!dev)
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return;
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dev->phy_ptr = NULL;
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dev->eth_mangle_rx = NULL;
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dev->eth_mangle_tx = NULL;
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dev->features = priv->orig_features;
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dev->priv_flags &= ~IFF_NO_IP_ALIGN;
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}
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static void
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mvswitch_remove(struct phy_device *pdev)
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{
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struct mvswitch_priv *priv = to_mvsw(pdev);
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kfree(priv);
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}
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@ -399,6 +409,7 @@ static struct phy_driver mvswitch_driver = {
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.features = PHY_BASIC_FEATURES,
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.probe = &mvswitch_probe,
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.remove = &mvswitch_remove,
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.detach = &mvswitch_detach,
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.config_init = &mvswitch_config_init,
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.config_aneg = &mvswitch_config_aneg,
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.read_status = &mvswitch_read_status,
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