* [PATCH] [RESEND] KVM:PPC:Book3s: fix memory leak in kvm_vm_ioctl_get_htab_fd
@ 2017-08-31 10:51 nixiaoming
0 siblings, 0 replies; only message in thread
From: nixiaoming @ 2017-08-31 10:51 UTC (permalink / raw)
To: agraf, pbonzini, rkrcmar, benh, paulus, mpe
Cc: kvm-ppc, kvm, linuxppc-dev, linux-kernel
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 <nixiaoming@huawei.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.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
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