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tty: cyclades, remove spurious check in ISR

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No need to check if dev_id is NULL, it never is.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jiri Slaby 2009-06-11 12:22:27 +01:00 committed by Linus Torvalds
parent eca1b592d6
commit 65a29f60e1
1 changed files with 0 additions and 8 deletions
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8
drivers/char/cyclades.c
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@ -1737,14 +1737,6 @@ static irqreturn_t cyz_interrupt(int irq, void *dev_id)
{ {
struct cyclades_card *cinfo = dev_id; struct cyclades_card *cinfo = dev_id;
if (unlikely(cinfo == NULL)) {
#ifdef CY_DEBUG_INTERRUPTS
printk(KERN_DEBUG "cyz_interrupt: spurious interrupt %d\n",
irq);
#endif
return IRQ_NONE; /* spurious interrupt */
}
if (unlikely(!ISZLOADED(*cinfo))) { if (unlikely(!ISZLOADED(*cinfo))) {
#ifdef CY_DEBUG_INTERRUPTS #ifdef CY_DEBUG_INTERRUPTS
printk(KERN_DEBUG "cyz_interrupt: board not yet loaded " printk(KERN_DEBUG "cyz_interrupt: board not yet loaded "