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KVM: do not kfree error pointer

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We should avoid kfree()ing error pointer in kvm_vcpu_ioctl() and
kvm_arch_vcpu_ioctl().

Signed-off-by: Guo Chao <yan@linux.vnet.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Guo Chao
2012-11-02 18:33:21 +08:00
committed by Marcelo Tosatti
parent f026399fc9
commit 18595411a7
2 changed files with 8 additions and 13 deletions
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virt/kvm/kvm_main.c
+2
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@@ -1954,6 +1954,7 @@ out_free2:
kvm_sregs = memdup_user(argp, sizeof(*kvm_sregs));
if (IS_ERR(kvm_sregs)) {
r = PTR_ERR(kvm_sregs);
kvm_sregs = NULL;
goto out;
}
r = kvm_arch_vcpu_ioctl_set_sregs(vcpu, kvm_sregs);
@@ -2054,6 +2055,7 @@ out_free2:
fpu = memdup_user(argp, sizeof(*fpu));
if (IS_ERR(fpu)) {
r = PTR_ERR(fpu);
fpu = NULL;
goto out;
}
r = kvm_arch_vcpu_ioctl_set_fpu(vcpu, fpu);