diff options
| author | Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp> | 2010-12-16 01:41:37 +0900 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-01-12 11:30:55 +0200 |
| commit | 175504cdbfef6a0fde3bafb6c38b4929049ac8ea (patch) | |
| tree | f5d56514b496e2d186d429c0cd5570026cffd5be /arch/ia64/kvm/kvm-ia64.c | |
| parent | a355c85c5f137d93c4e9274c50e26c20f1ebc1c9 (diff) | |
| download | lwn-175504cdbfef6a0fde3bafb6c38b4929049ac8ea.tar.gz lwn-175504cdbfef6a0fde3bafb6c38b4929049ac8ea.zip | |
KVM: Take missing slots_lock for kvm_io_bus_unregister_dev()
In KVM_CREATE_IRQCHIP, kvm_io_bus_unregister_dev() is called without taking
slots_lock in the error handling path.
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@oss.ntt.co.jp>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/ia64/kvm/kvm-ia64.c')
| -rw-r--r-- | arch/ia64/kvm/kvm-ia64.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c index 48a48bdc59c3..70d224d4264c 100644 --- a/arch/ia64/kvm/kvm-ia64.c +++ b/arch/ia64/kvm/kvm-ia64.c @@ -951,7 +951,9 @@ long kvm_arch_vm_ioctl(struct file *filp, goto out; r = kvm_setup_default_irq_routing(kvm); if (r) { + mutex_lock(&kvm->slots_lock); kvm_ioapic_destroy(kvm); + mutex_unlock(&kvm->slots_lock); goto out; } break; |