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authorPaolo Bonzini <pbonzini@redhat.com>2019-04-11 11:16:47 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2019-04-16 15:38:07 +0200
commit1d487e9bf8ba66a7174c56a0029c54b1eca8f99c (patch)
tree4916036d4dc25e9a52ba59105621ee42682ce844 /virt/kvm/kvm_main.c
parentbe43c440eb5d0ccfdb0d67d5a4c9d579ff988b75 (diff)
downloadlinux-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.c6
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);