From 68ba45ff389295ddccbb976b8881de7c46140e00 Mon Sep 17 00:00:00 2001
From: Wei Liu <wei.liu2@citrix.com>
Date: Thu, 31 Jan 2013 14:46:56 +0000
Subject: [PATCH] xen: fix error handling path if xen_allocate_irq_dynamic
fails
It is possible that the call to xen_allocate_irq_dynamic() returns negative
number other than -1.
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
drivers/xen/events.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 0be4df39e953a..74d77dfa5f636 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -840,7 +840,7 @@ int bind_evtchn_to_irq(unsigned int evtchn)
if (irq == -1) {
irq = xen_allocate_irq_dynamic();
- if (irq == -1)
+ if (irq < 0)
goto out;
irq_set_chip_and_handler_name(irq, &xen_dynamic_chip,
@@ -944,7 +944,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
if (irq == -1) {
irq = xen_allocate_irq_dynamic();
- if (irq == -1)
+ if (irq < 0)
goto out;
irq_set_chip_and_handler_name(irq, &xen_percpu_chip,
--
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