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Diffstat (limited to 'virt/kvm/kvm_main.c')
-rw-r--r--virt/kvm/kvm_main.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index e289486edc6d..a6e612fced73 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2591,13 +2591,12 @@ int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
int i, r;
struct kvm_io_bus *new_bus, *bus;
- new_bus = kzalloc(sizeof(struct kvm_io_bus), GFP_KERNEL);
+ bus = kvm->buses[bus_idx];
+
+ new_bus = kmemdup(bus, sizeof(*bus), GFP_KERNEL);
if (!new_bus)
return -ENOMEM;
- bus = kvm->buses[bus_idx];
- memcpy(new_bus, bus, sizeof(struct kvm_io_bus));
-
r = -ENOENT;
for (i = 0; i < new_bus->dev_count; i++)
if (new_bus->range[i].dev == dev) {