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authorJames Hogan <james.hogan@imgtec.com>2015-11-11 14:21:20 +0000
committerPaolo Bonzini <pbonzini@redhat.com>2015-11-18 12:25:36 +0100
commit585bb8f9a5e592f2ce7abbe5ed3112d5438d2754 (patch)
treec3956a07028c38756b7434435f60017ab389bc1d /arch/mips
parentc5c2a3b998f1ff5a586f9d37e154070b8d550d17 (diff)
MIPS: KVM: Uninit VCPU in vcpu_create error path
If either of the memory allocations in kvm_arch_vcpu_create() fail, the vcpu which has been allocated and kvm_vcpu_init'd doesn't get uninit'd in the error handling path. Add a call to kvm_vcpu_uninit() to fix this. Fixes: 669e846e6c4e ("KVM/MIPS32: MIPS arch specific APIs for KVM") Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Gleb Natapov <gleb@kernel.org> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org Cc: <stable@vger.kernel.org> # 3.10.x- Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/kvm/mips.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 49ff3bfc007e..b9b803facdbf 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -279,7 +279,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
if (!gebase) {
err = -ENOMEM;
- goto out_free_cpu;
+ goto out_uninit_cpu;
}
kvm_debug("Allocated %d bytes for KVM Exception Handlers @ %p\n",
ALIGN(size, PAGE_SIZE), gebase);
@@ -343,6 +343,9 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
out_free_gebase:
kfree(gebase);
+out_uninit_cpu:
+ kvm_vcpu_uninit(vcpu);
+
out_free_cpu:
kfree(vcpu);