[PATCH] fix memory leak on kvm_vm_ioctl_get_htab_fd

[nixiaoming]

ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
but no free when anon_inode_getfd return fail
so, add kfree(ctx) to fix memory leak

Signed-off-by: nixiaoming <nixiaom...@huawei.com>
---
 arch/powerpc/kvm/book3s_64_mmu_hv.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c 
b/arch/powerpc/kvm/book3s_64_mmu_hv.c
index b42812e..be3d08f 100644
--- a/arch/powerpc/kvm/book3s_64_mmu_hv.c
+++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c
@@ -1940,6 +1940,7 @@ int kvm_vm_ioctl_get_htab_fd(struct kvm *kvm, struct 
kvm_get_htab_fd *ghf)
        rwflag = (ghf->flags & KVM_GET_HTAB_WRITE) ? O_WRONLY : O_RDONLY;
        ret = anon_inode_getfd("kvm-htab", &kvm_htab_fops, ctx, rwflag | 
O_CLOEXEC);
        if (ret < 0) {
+               kfree(ctx);
                kvm_put_kvm(kvm);
                return ret;
        }
-- 
2.11.0.1