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authorSasha Levin <levinsasha928@gmail.com>2011-12-04 19:36:28 +0200
committerAvi Kivity <avi@redhat.com>2011-12-27 11:22:20 +0200
commitcdfca7b346e6dbab1ba33260c28ccb8333485a5b (patch)
tree423d4487ee5604a69943e8daade01fbec1879ef6 /virt
parent3f745f1e224e05e845a15760a55f3fd323f7a753 (diff)
downloadlinux-linaro-stable-cdfca7b346e6dbab1ba33260c28ccb8333485a5b.tar.gz
KVM: Use kmemdup() instead of kmalloc/memcpy
Switch to kmemdup() in two places to shorten the code and avoid possible bugs. Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'virt')
-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) {