add return value check of request_irq()
This patch has added return value check of request_irq() to pcmcia net drivers.
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c
index 61f7a4f..f2613c2 100644
--- a/drivers/net/pcmcia/pcnet_cs.c
+++ b/drivers/net/pcmcia/pcnet_cs.c
@@ -960,6 +960,7 @@
static int pcnet_open(struct net_device *dev)
{
+ int ret;
pcnet_dev_t *info = PRIV(dev);
struct pcmcia_device *link = info->p_dev;
@@ -968,10 +969,12 @@
if (!pcmcia_dev_present(link))
return -ENODEV;
- link->open++;
-
set_misc_reg(dev);
- request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, dev_info, dev);
+ ret = request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, dev_info, dev);
+ if (ret)
+ return ret;
+
+ link->open++;
info->phy_id = info->eth_phy;
info->link_status = 0x00;