[PATCH] paravirt: fix error handling in paravirt_disable_iospace
From: Jeremy Fitzhardinge
Date: Wed Jun 06 2007 - 18:35:43 EST
Make sure everything is backed out if it fails.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>
---
arch/i386/kernel/paravirt.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
===================================================================
--- a/arch/i386/kernel/paravirt.c
+++ b/arch/i386/kernel/paravirt.c
@@ -254,8 +254,11 @@ int paravirt_disable_iospace(void)
int ret;
ret = request_resource(&ioport_resource, &reserve_ioports);
- if (ret == 0)
+ if (ret == 0) {
ret = request_resource(&iomem_resource, &reserve_iomem);
+ if (ret)
+ release_resource(&reserve_ioports);
+ }
return ret;
}
-
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