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Date:	Wed,  7 Mar 2007 11:01:28 +0200
From:	Avi Kivity <avi@...ranet.com>
To:	kvm-devel@...ts.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, Avi Kivity <avi@...ranet.com>
Subject: [PATCH 1/2] KVM: Unset kvm_arch_ops if arch module loading failed

Otherwise, the core module thinks the arch module is loaded, and won't
let you reload it after you've fixed the bug.

Signed-off-by: Avi Kivity <avi@...ranet.com>
---
 drivers/kvm/kvm_main.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index a163bca..dc7a8c7 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -2464,7 +2464,7 @@ int kvm_init_arch(struct kvm_arch_ops *ops, struct module *module)
 
 	r = kvm_arch_ops->hardware_setup();
 	if (r < 0)
-	    return r;
+		goto out;
 
 	on_each_cpu(kvm_arch_ops->hardware_enable, NULL, 0, 1);
 	r = register_cpu_notifier(&kvm_cpu_notifier);
@@ -2500,6 +2500,8 @@ out_free_2:
 out_free_1:
 	on_each_cpu(kvm_arch_ops->hardware_disable, NULL, 0, 1);
 	kvm_arch_ops->hardware_unsetup();
+out:
+	kvm_arch_ops = NULL;
 	return r;
 }
 
-- 
1.5.0.2

-
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