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Commit 8c57a3a7 authored by xypron.glpk@gmx.de's avatar xypron.glpk@gmx.de Committed by David S. Miller
Browse files

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: default avatarHeinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 4fb482f7

drivers/net/wan/fsl_ucc_hdlc.c

+2 −1
Original line number Diff line number Diff line
@@ -862,7 +862,7 @@ static int uhdlc_suspend(struct device *dev) 
static int uhdlc_resume(struct device *dev)

{

	struct ucc_hdlc_private *priv = dev_get_drvdata(dev);

	struct ucc_tdm *utdm = priv->utdm;

	struct ucc_tdm *utdm;

	struct ucc_tdm_info *ut_info;

	struct ucc_fast __iomem *uf_regs;

	struct ucc_fast_private *uccf;
@@ -877,6 +877,7 @@ static int uhdlc_resume(struct device *dev) 
	if (!netif_running(priv->ndev))

		return 0;



	utdm = priv->utdm;

	ut_info = priv->ut_info;

	uf_info = &ut_info->uf_info;

	uf_regs = priv->uf_regs;