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/wan/cycx_main.c b/drivers/net/wan/cycx_main.c
index 12363e056b6..6e5f1c89851 100644
--- a/drivers/net/wan/cycx_main.c
+++ b/drivers/net/wan/cycx_main.c
@@ -303,9 +303,9 @@ out:	return ret;
  */
 static irqreturn_t cycx_isr(int irq, void *dev_id)
 {
-        struct cycx_device *card = (struct cycx_device *)dev_id;
+        struct cycx_device *card = dev_id;
 
-        if (!card || card->wandev.state == WAN_UNCONFIGURED)
+        if (card->wandev.state == WAN_UNCONFIGURED)
                 goto out;
 
         if (card->in_isr) {