[Xen-devel] [PATCH] xen: events: fix error checks in bind_*_to_i

To:	Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
Subject:	[Xen-devel] [PATCH] xen: events: fix error checks in bind_*_to_irqhandler()
From:	Nicolas Kaiser <nikai@xxxxxxxxx>
Date:	Wed, 30 Mar 2011 21:14:26 +0200
Cc:	xen-devel@xxxxxxxxxxxxxxxxxxx, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Delivery-date:	Wed, 30 Mar 2011 12:16:46 -0700
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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@xxxxxxxxx>
---
 drivers/xen/events.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 036343b..589f0a5 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -912,8 +912,7 @@ int bind_evtchn_to_irqhandler(unsigned int evtchn,
                              unsigned long irqflags,
                              const char *devname, void *dev_id)
 {
-       unsigned int irq;
-       int retval;
+       int irq, retval;
 
        irq = bind_evtchn_to_irq(evtchn);
        if (irq < 0)
@@ -955,8 +954,7 @@ int bind_virq_to_irqhandler(unsigned int virq, unsigned int 
cpu,
                            irq_handler_t handler,
                            unsigned long irqflags, const char *devname, void 
*dev_id)
 {
-       unsigned int irq;
-       int retval;
+       int irq, retval;
 
        irq = bind_virq_to_irq(virq, cpu);
        if (irq < 0)
-- 
1.7.3.4

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[Xen-devel] [PATCH] xen: events: fix error checks in bind_*_to_irqhandle