diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2017-11-16 17:58:18 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-14 09:53:01 +0100 |
| commit | fdbc5f3c5ece0a5db265537185d3bb7ff3b52d0d (patch) | |
| tree | 8f21ce1036d8d25ef663524c0267fb9197a033c7 /virt | |
| parent | c6c0913bd13f89d1a875cc7d85b3646840bead07 (diff) | |
KVM: arm/arm64: vgic-its: Check result of allocation before use
commit 686f294f2f1ae40705283dd413ca1e4c14f20f93 upstream.
We miss a test against NULL after allocation.
Fixes: 6d03a68f8054 ("KVM: arm64: vgic-its: Turn device_id validation into generic ID validation")
Reported-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic-its.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c index 547f12dc4d54..3108e07526af 100644 --- a/virt/kvm/arm/vgic/vgic-its.c +++ b/virt/kvm/arm/vgic/vgic-its.c @@ -775,6 +775,8 @@ static int vgic_its_alloc_collection(struct vgic_its *its, return E_ITS_MAPC_COLLECTION_OOR; collection = kzalloc(sizeof(*collection), GFP_KERNEL); + if (!collection) + return -ENOMEM; collection->collection_id = coll_id; collection->target_addr = COLLECTION_NOT_MAPPED; |