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authorJan Kiszka <jan.kiszka@siemens.com>2010-11-09 12:42:12 +0100
committerAvi Kivity <avi@redhat.com>2011-01-12 11:29:05 +0200
commit57e7fbee1dbd72949425b19d28415d2ddffe04ca (patch)
tree106193051d37d7b0ad9b76b495c58bdc03544322
parent30bd0c4c6c5aecc338ebf32e3a6e01c98f0a0b43 (diff)
downloadlinux-57e7fbee1dbd72949425b19d28415d2ddffe04ca.tar.bz2
KVM: Refactor srcu struct release on early errors
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Avi Kivity <avi@redhat.com>
-rw-r--r--virt/kvm/kvm_main.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 13cefe226e44..fce0578eab0e 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -401,23 +401,19 @@ static struct kvm *kvm_create_vm(void)
r = -ENOMEM;
kvm->memslots = kzalloc(sizeof(struct kvm_memslots), GFP_KERNEL);
if (!kvm->memslots)
- goto out_err;
+ goto out_err_nosrcu;
if (init_srcu_struct(&kvm->srcu))
- goto out_err;
+ goto out_err_nosrcu;
for (i = 0; i < KVM_NR_BUSES; i++) {
kvm->buses[i] = kzalloc(sizeof(struct kvm_io_bus),
GFP_KERNEL);
- if (!kvm->buses[i]) {
- cleanup_srcu_struct(&kvm->srcu);
+ if (!kvm->buses[i])
goto out_err;
- }
}
r = kvm_init_mmu_notifier(kvm);
- if (r) {
- cleanup_srcu_struct(&kvm->srcu);
+ if (r)
goto out_err;
- }
kvm->mm = current->mm;
atomic_inc(&kvm->mm->mm_count);
@@ -435,6 +431,8 @@ out:
return kvm;
out_err:
+ cleanup_srcu_struct(&kvm->srcu);
+out_err_nosrcu:
hardware_disable_all();
out_err_nodisable:
for (i = 0; i < KVM_NR_BUSES; i++)