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authorJeff Garzik <jeff@garzik.org>2006-10-06 14:56:04 -0400
committerJeff Garzik <jeff@garzik.org>2006-10-06 14:56:04 -0400
commitc31f28e778ab299a5035ea2bda64f245b8915d7c (patch)
tree92d1070b0ae0c3528ab2c8787c4402fd8adf5a5f /drivers/net/irda/nsc-ircc.c
parent86d91bab4806191a8126502d80d729c2a4765ebe (diff)
downloadblackbird-op-linux-c31f28e778ab299a5035ea2bda64f245b8915d7c.tar.gz
blackbird-op-linux-c31f28e778ab299a5035ea2bda64f245b8915d7c.zip
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>
Diffstat (limited to 'drivers/net/irda/nsc-ircc.c')
-rw-r--r--drivers/net/irda/nsc-ircc.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/net/irda/nsc-ircc.c b/drivers/net/irda/nsc-ircc.c
index ea12e999814a..29b5ccd29d0b 100644
--- a/drivers/net/irda/nsc-ircc.c
+++ b/drivers/net/irda/nsc-ircc.c
@@ -2068,17 +2068,12 @@ static void nsc_ircc_fir_interrupt(struct nsc_ircc_cb *self, int iobase,
*/
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);
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