net/wan/fsl_ucc_hdlc: fix unitialized variable warnings

This fixes the following compiler warnings:
drivers/net/wan/fsl_ucc_hdlc.c: In function 'ucc_hdlc_poll':
warning: 'skb' may be used uninitialized in this function
[-Wmaybe-uninitialized]
  skb->mac_header = skb->data - skb->head;

and

drivers/net/wan/fsl_ucc_hdlc.c: In function 'ucc_hdlc_probe':
drivers/net/wan/fsl_ucc_hdlc.c:1127:3: warning: 'utdm' may be used
uninitialized in this function [-Wmaybe-uninitialized]
   kfree(utdm);

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Cc: Zhao Qiang <qiang.zhao@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Holger Brunck 2017-05-17 17:24:33 +02:00 committed by David S. Miller
parent f089785479
commit 66bb144bd9

View file

@ -440,7 +440,7 @@ static int hdlc_tx_done(struct ucc_hdlc_private *priv)
static int hdlc_rx_done(struct ucc_hdlc_private *priv, int rx_work_limit)
{
struct net_device *dev = priv->ndev;
struct sk_buff *skb;
struct sk_buff *skb = NULL;
hdlc_device *hdlc = dev_to_hdlc(dev);
struct qe_bd *bd;
u16 bd_status;
@ -968,7 +968,7 @@ static int ucc_hdlc_probe(struct platform_device *pdev)
struct device_node *np = pdev->dev.of_node;
struct ucc_hdlc_private *uhdlc_priv = NULL;
struct ucc_tdm_info *ut_info;
struct ucc_tdm *utdm;
struct ucc_tdm *utdm = NULL;
struct resource res;
struct net_device *dev;
hdlc_device *hdlc;