diff options
| author |   Wolfram Sang <w.sang@pengutronix.de> | 2009-11-16 12:57:53 +0000 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2009-11-17 03:54:05 -0800 |
| commit | 323907ac72a223ed4e4d67ce8e3589900023a0c8 (patch) | |
| tree | c186a27332acbcdc9a3fc9ad1231066eab1b4179 /drivers/net/can | |
| parent | net/can/mscan: replace hardcoded values with defines (diff) | |
| download | linux-dev-323907ac72a223ed4e4d67ce8e3589900023a0c8.tar.xz linux-dev-323907ac72a223ed4e4d67ce8e3589900023a0c8.zip | |
net/can/mscan: add error path to mscan_open()
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/can')
| -rw-r--r-- | drivers/net/can/mscan/mscan.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c index 263d1a9f0880..bb06dfb58f25 100644 --- a/drivers/net/can/mscan/mscan.c +++ b/drivers/net/can/mscan/mscan.c @@ -542,10 +542,8 @@ static int mscan_open(struct net_device *dev) ret = request_irq(dev->irq, mscan_isr, 0, dev->name, dev); if (ret < 0) { - napi_disable(&priv->napi); - printk(KERN_ERR "%s - failed to attach interrupt\n", - dev->name); - return ret; + dev_err(dev->dev.parent, "failed to attach interrupt\n"); + goto exit_napi_disable; } priv->open_time = jiffies; @@ -554,11 +552,19 @@ static int mscan_open(struct net_device *dev) ret = mscan_start(dev); if (ret) - return ret; + goto exit_free_irq; netif_start_queue(dev); return 0; + +exit_free_irq: + priv->open_time = 0; + free_irq(dev->irq, dev); +exit_napi_disable: + napi_disable(&priv->napi); + close_candev(dev); + return ret; } static int mscan_close(struct net_device *dev) |