drivers/net: eliminate irq handler impossible checks, needless casts

- Eliminate check for irq handler 'dev_id==NULL' where the
  condition never occurs.

- Eliminate needless casts to/from void*

Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 0 insertions, 7 deletions

diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c
index 05ca730fe81e..e14be020e562 100644
--- a/drivers/net/eexpress.c
+++ b/drivers/net/eexpress.c
@@ -796,13 +796,6 @@ static irqreturn_t eexp_irq(int irq, void *dev_info)
         unsigned short ioaddr,status,ack_cmd;
         unsigned short old_read_ptr, old_write_ptr;
 
-        if (dev==NULL)
-        {
-                printk(KERN_WARNING "eexpress: irq %d for unknown device\n",
-                       irq);
-                return IRQ_NONE;
-        }
-
         lp = netdev_priv(dev);
         ioaddr = dev->base_addr;