From 3b04e00d7ecfa1fc74296a12fd77fe0e92c39039 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Thu, 12 Dec 2013 10:33:19 +0100 Subject: [PATCH] net: dm9k: bail out when resources can't be claimed Signed-off-by: Sascha Hauer --- drivers/net/dm9k.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/dm9k.c b/drivers/net/dm9k.c index 090482c0a..4c288709a 100644 --- a/drivers/net/dm9k.c +++ b/drivers/net/dm9k.c @@ -722,7 +722,11 @@ static int dm9k_probe(struct device_d *dev) priv->buswidth = dev->resource[0].flags & IORESOURCE_MEM_TYPE_MASK; priv->iodata = dev_request_mem_region(dev, 1); + if (!priv->iodata) + return -EBUSY; priv->iobase = dev_request_mem_region(dev, 0); + if (!priv->iobase) + return -EBUSY; priv->srom = pdata->srom; edev->init = dm9k_init_dev;