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path: root/drivers/net/wan/fsl_ucc_hdlc.c
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-rw-r--r--drivers/net/wan/fsl_ucc_hdlc.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index 5df6e85e7..c8cff000a 100644
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -37,6 +37,8 @@
#define TDM_PPPOHT_SLIC_MAXIN
+static int uhdlc_close(struct net_device *dev);
+
static struct ucc_tdm_info utdm_primary_info = {
.uf_info = {
.tsa = 0,
@@ -661,6 +663,7 @@ static int uhdlc_open(struct net_device *dev)
hdlc_device *hdlc = dev_to_hdlc(dev);
struct ucc_hdlc_private *priv = hdlc->priv;
struct ucc_tdm *utdm = priv->utdm;
+ int rc = 0;
if (priv->hdlc_busy != 1) {
if (request_irq(priv->ut_info->uf_info.irq,
@@ -683,10 +686,13 @@ static int uhdlc_open(struct net_device *dev)
netif_device_attach(priv->ndev);
napi_enable(&priv->napi);
netif_start_queue(dev);
- hdlc_open(dev);
+
+ rc = hdlc_open(dev);
+ if (rc)
+ uhdlc_close(dev);
}
- return 0;
+ return rc;
}
static void uhdlc_memclean(struct ucc_hdlc_private *priv)
@@ -775,6 +781,8 @@ static int uhdlc_close(struct net_device *dev)
netif_stop_queue(dev);
priv->hdlc_busy = 0;
+ hdlc_close(dev);
+
return 0;
}