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, 2 insertions, 2 deletions

diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index 45d07faf7b96..9d7cd130c19d 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -2095,8 +2095,8 @@ static void happy_meal_rx(struct happy_meal *hp, struct net_device *dev)
 
 static irqreturn_t happy_meal_interrupt(int irq, void *dev_id)
 {
-        struct net_device *dev = (struct net_device *) dev_id;
-        struct happy_meal *hp  = dev->priv;
+        struct net_device *dev = dev_id;
+        struct happy_meal *hp  = netdev_priv(dev);
         u32 happy_status       = hme_read32(hp, hp->gregs + GREG_STAT);
 
         HMD(("happy_meal_interrupt: status=%08x ", happy_status));