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xen: events: fix error checks in bind_*_to_irqhandler()

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Checking 'irq < 0' doesn't work when 'irq' is unsigned.

The assigned bind_evtchn_to_irq() and bind_virq_to_irq()
return int, so using int appears appropriate.

Signed-off-by: Nicolas Kaiser <nikai@nikai.net>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
This commit is contained in:
Nicolas Kaiser 2011-03-30 21:14:26 +02:00 committed by Konrad Rzeszutek Wilk
parent 0ce790e7d7
commit 361ae8cb57
1 changed files with 2 additions and 4 deletions
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6
drivers/xen/events.c
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@ -912,8 +912,7 @@ int bind_evtchn_to_irqhandler(unsigned int evtchn,
unsigned long irqflags, unsigned long irqflags,
const char *devname, void *dev_id) const char *devname, void *dev_id)
{ {
unsigned int irq; int irq, retval;
int retval;
irq = bind_evtchn_to_irq(evtchn); irq = bind_evtchn_to_irq(evtchn);
if (irq < 0) if (irq < 0)
@ -955,8 +954,7 @@ int bind_virq_to_irqhandler(unsigned int virq, unsigned int cpu,
irq_handler_t handler, irq_handler_t handler,
unsigned long irqflags, const char *devname, void *dev_id) unsigned long irqflags, const char *devname, void *dev_id)
{ {
unsigned int irq; int irq, retval;
int retval;
irq = bind_virq_to_irq(virq, cpu); irq = bind_virq_to_irq(virq, cpu);
if (irq < 0) if (irq < 0)