From: Takuya Yoshikawa <yoshikawa.takuya@xxxxxxxxxxxxx>
The following commit did not care about the error handling path:
commit c1a7b32a14138f908df52d7c53b5ce3415ec6b50
KVM: Avoid wasting pages for small lpage_info arrays
If memory allocation fails, vfree() will be called with the address
returned by kzalloc(). This patch fixes this issue.
Signed-off-by: Takuya Yoshikawa <yoshikawa.takuya@xxxxxxxxxxxxx>
---
arch/x86/kvm/x86.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a01a424..6ed5983 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6350,7 +6350,7 @@ int kvm_arch_create_memslot(struct kvm_memory_slot *slot, unsigned long npages)
out_free:
for (i = 0; i < KVM_NR_PAGE_SIZES - 1; ++i) {
- vfree(slot->arch.lpage_info[i]);
+ kvm_kvfree(slot->arch.lpage_info[i]);
slot->arch.lpage_info[i] = NULL;
}
return -ENOMEM;
--
1.7.5.4
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