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>
diff --git a/drivers/net/irda/nsc-ircc.c b/drivers/net/irda/nsc-ircc.c
index ea12e99..29b5ccd 100644
--- a/drivers/net/irda/nsc-ircc.c
+++ b/drivers/net/irda/nsc-ircc.c
@@ -2068,17 +2068,12 @@
*/
static irqreturn_t nsc_ircc_interrupt(int irq, void *dev_id)
{
- struct net_device *dev = (struct net_device *) dev_id;
+ struct net_device *dev = dev_id;
struct nsc_ircc_cb *self;
__u8 bsr, eir;
int iobase;
- if (!dev) {
- IRDA_WARNING("%s: irq %d for unknown device.\n",
- driver_name, irq);
- return IRQ_NONE;
- }
- self = (struct nsc_ircc_cb *) dev->priv;
+ self = dev->priv;
spin_lock(&self->lock);