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| author | Paolo Bonzini <pbonzini@redhat.com> | 2019-04-11 11:16:47 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2019-04-16 15:38:07 +0200 |
| commit | 1d487e9bf8ba66a7174c56a0029c54b1eca8f99c (patch) | |
| tree | 4916036d4dc25e9a52ba59105621ee42682ce844 /virt/kvm/kvm_main.c | |
| parent | be43c440eb5d0ccfdb0d67d5a4c9d579ff988b75 (diff) | |
| download | linux-1d487e9bf8ba66a7174c56a0029c54b1eca8f99c.tar.bz2 | |
KVM: fix spectrev1 gadgets
These were found with smatch, and then generalized when applicable.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'virt/kvm/kvm_main.c')
| -rw-r--r-- | virt/kvm/kvm_main.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 55fe8e20d8fd..dc8edc97ba85 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -2977,12 +2977,14 @@ static int kvm_ioctl_create_device(struct kvm *kvm, struct kvm_device_ops *ops = NULL; struct kvm_device *dev; bool test = cd->flags & KVM_CREATE_DEVICE_TEST; + int type; int ret; if (cd->type >= ARRAY_SIZE(kvm_device_ops_table)) return -ENODEV; - ops = kvm_device_ops_table[cd->type]; + type = array_index_nospec(cd->type, ARRAY_SIZE(kvm_device_ops_table)); + ops = kvm_device_ops_table[type]; if (ops == NULL) return -ENODEV; @@ -2997,7 +2999,7 @@ static int kvm_ioctl_create_device(struct kvm *kvm, dev->kvm = kvm; mutex_lock(&kvm->lock); - ret = ops->create(dev, cd->type); + ret = ops->create(dev, type); if (ret < 0) { mutex_unlock(&kvm->lock); kfree(dev); |