From c31f28e778ab299a5035ea2bda64f245b8915d7c Mon Sep 17 00:00:00 2001 From: Jeff Garzik Date: Fri, 6 Oct 2006 14:56:04 -0400 Subject: 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 --- drivers/net/wireless/wl3501_cs.c | 15 ++++----------- 1 file changed, 4 insertions(+), 11 deletions(-) (limited to 'drivers/net/wireless/wl3501_cs.c') diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c index a1430352169..5b98a787698 100644 --- a/drivers/net/wireless/wl3501_cs.c +++ b/drivers/net/wireless/wl3501_cs.c @@ -1155,25 +1155,18 @@ static inline void wl3501_ack_interrupt(struct wl3501_card *this) */ static irqreturn_t wl3501_interrupt(int irq, void *dev_id) { - struct net_device *dev = (struct net_device *)dev_id; + struct net_device *dev = dev_id; struct wl3501_card *this; - int handled = 1; - if (!dev) - goto unknown; - this = dev->priv; + this = netdev_priv(dev); spin_lock(&this->lock); wl3501_ack_interrupt(this); wl3501_block_interrupt(this); wl3501_rx_interrupt(dev); wl3501_unblock_interrupt(this); spin_unlock(&this->lock); -out: - return IRQ_RETVAL(handled); -unknown: - handled = 0; - printk(KERN_ERR "%s: irq %d for unknown device.\n", __FUNCTION__, irq); - goto out; + + return IRQ_HANDLED; } static int wl3501_reset_board(struct wl3501_card *this) -- cgit v1.2.3