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, 1 insertions, 1 deletions

diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 9207e19cac34..5b00d79b5573 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -822,7 +822,7 @@ out:
 
 static irqreturn_t lance_interrupt(int irq, void *dev_id)
 {
-        struct net_device *dev = (struct net_device *)dev_id;
+        struct net_device *dev = dev_id;
         struct lance_private *lp = netdev_priv(dev);
         int csr0;