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wan/fsl_ucc_hdlc: avoid possible NULL pointer dereference
All assignments to components of priv should only occur after the check if prif is NULL. Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 2 additions and 1 deletions
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@ -862,7 +862,7 @@ static int uhdlc_suspend(struct device *dev)
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static int uhdlc_resume(struct device *dev)
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{
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struct ucc_hdlc_private *priv = dev_get_drvdata(dev);
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struct ucc_tdm *utdm = priv->utdm;
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struct ucc_tdm *utdm;
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struct ucc_tdm_info *ut_info;
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struct ucc_fast __iomem *uf_regs;
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struct ucc_fast_private *uccf;
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@ -877,6 +877,7 @@ static int uhdlc_resume(struct device *dev)
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if (!netif_running(priv->ndev))
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return 0;
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utdm = priv->utdm;
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ut_info = priv->ut_info;
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uf_info = &ut_info->uf_info;
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uf_regs = priv->uf_regs;
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