diff options
author | Jeff Garzik <jeff@garzik.org> | 2006-10-06 18:56:04 (GMT) |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2006-10-06 18:56:04 (GMT) |
commit | c31f28e778ab299a5035ea2bda64f245b8915d7c (patch) | |
tree | 92d1070b0ae0c3528ab2c8787c4402fd8adf5a5f /drivers/net/irda | |
parent | 86d91bab4806191a8126502d80d729c2a4765ebe (diff) | |
download | linux-c31f28e778ab299a5035ea2bda64f245b8915d7c.tar.xz |
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')
-rw-r--r-- | drivers/net/irda/ali-ircc.c | 10 | ||||
-rw-r--r-- | drivers/net/irda/donauboe.c | 11 | ||||
-rw-r--r-- | drivers/net/irda/irport.c | 8 | ||||
-rw-r--r-- | drivers/net/irda/irport.h | 2 | ||||
-rw-r--r-- | drivers/net/irda/nsc-ircc.c | 9 | ||||
-rw-r--r-- | drivers/net/irda/w83977af_ir.c | 9 |
6 files changed, 10 insertions, 39 deletions
diff --git a/drivers/net/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c index 971e2de..cebf8c3 100644 --- a/drivers/net/irda/ali-ircc.c +++ b/drivers/net/irda/ali-ircc.c @@ -662,19 +662,13 @@ static int ali_ircc_read_dongle_id (int i, chipio_t *info) */ static irqreturn_t ali_ircc_interrupt(int irq, void *dev_id) { - struct net_device *dev = (struct net_device *) dev_id; + struct net_device *dev = dev_id; struct ali_ircc_cb *self; int ret; IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __FUNCTION__); - if (!dev) { - IRDA_WARNING("%s: irq %d for unknown device.\n", - ALI_IRCC_DRIVER_NAME, irq); - return IRQ_NONE; - } - - self = (struct ali_ircc_cb *) dev->priv; + self = dev->priv; spin_lock(&self->lock); diff --git a/drivers/net/irda/donauboe.c b/drivers/net/irda/donauboe.c index 7a91281..636d063 100644 --- a/drivers/net/irda/donauboe.c +++ b/drivers/net/irda/donauboe.c @@ -657,12 +657,6 @@ toshoboe_makemttpacket (struct toshoboe_cb *self, void *buf, int mtt) return xbofs; } -static int toshoboe_invalid_dev(int irq) -{ - printk (KERN_WARNING DRIVER_NAME ": irq %d for unknown device.\n", irq); - return 1; -} - #ifdef USE_PROBE /***********************************************************************/ /* Probe code */ @@ -711,12 +705,9 @@ stuff_byte (__u8 byte, __u8 * buf) static irqreturn_t toshoboe_probeinterrupt (int irq, void *dev_id) { - struct toshoboe_cb *self = (struct toshoboe_cb *) dev_id; + struct toshoboe_cb *self = dev_id; __u8 irqstat; - if (self == NULL && toshoboe_invalid_dev(irq)) - return IRQ_NONE; - irqstat = INB (OBOE_ISR); /* was it us */ diff --git a/drivers/net/irda/irport.c b/drivers/net/irda/irport.c index 6ea78ec..654a68b 100644 --- a/drivers/net/irda/irport.c +++ b/drivers/net/irda/irport.c @@ -766,18 +766,14 @@ static inline void irport_receive(struct irport_cb *self) */ static irqreturn_t irport_interrupt(int irq, void *dev_id) { - struct net_device *dev = (struct net_device *) dev_id; + struct net_device *dev = dev_id; struct irport_cb *self; int boguscount = 0; int iobase; int iir, lsr; int handled = 0; - if (!dev) { - IRDA_WARNING("%s() irq %d for unknown device.\n", __FUNCTION__, irq); - return IRQ_NONE; - } - self = (struct irport_cb *) dev->priv; + self = dev->priv; spin_lock(&self->lock); diff --git a/drivers/net/irda/irport.h b/drivers/net/irda/irport.h index 4393168..3f46b84 100644 --- a/drivers/net/irda/irport.h +++ b/drivers/net/irda/irport.h @@ -74,7 +74,7 @@ struct irport_cb { /* For piggyback drivers */ void *priv; void (*change_speed)(void *priv, __u32 speed); - int (*interrupt)(int irq, void *dev_id); + irqreturn_t (*interrupt)(int irq, void *dev_id); }; #endif /* IRPORT_H */ 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 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); diff --git a/drivers/net/irda/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c index b4fb92a..4212657 100644 --- a/drivers/net/irda/w83977af_ir.c +++ b/drivers/net/irda/w83977af_ir.c @@ -1113,17 +1113,12 @@ static __u8 w83977af_fir_interrupt(struct w83977af_ir *self, int isr) */ static irqreturn_t w83977af_interrupt(int irq, void *dev_id) { - struct net_device *dev = (struct net_device *) dev_id; + struct net_device *dev = dev_id; struct w83977af_ir *self; __u8 set, icr, isr; int iobase; - if (!dev) { - printk(KERN_WARNING "%s: irq %d for unknown device.\n", - driver_name, irq); - return IRQ_NONE; - } - self = (struct w83977af_ir *) dev->priv; + self = dev->priv; iobase = self->io.fir_base; |