This adds missing check for failed kzalloc().
Signed-off-by: Alexey Kardashevskiy <redacted>
---
This is a followup change for:
[PATCH kernel v11 10/10] KVM: PPC: VFIO: Add in-kernel acceleration for VFIO
Please squash it. Thanks!
---
arch/powerpc/kvm/book3s_64_vio.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
index 22c67a47eaab..c3d8a88f1f4e 100644
--- a/arch/powerpc/kvm/book3s_64_vio.c
+++ b/arch/powerpc/kvm/book3s_64_vio.c
@@ -212,6 +212,11 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
}
stit = kzalloc(sizeof(*stit), GFP_KERNEL);
+ if (!stit) {
+ iommu_tce_table_put(tbl);
+ return -ENOMEM;
+ }
+
stit->tbl = tbl;
kref_init(&stit->kref);
--
2.11.0
On Mon, Mar 27, 2017 at 02:19:27PM +1100, Alexey Kardashevskiy wrote:
This adds missing check for failed kzalloc().
Signed-off-by: Alexey Kardashevskiy <redacted>
Reviewed-by: David Gibson <redacted>
quoted hunk
---
This is a followup change for:
[PATCH kernel v11 10/10] KVM: PPC: VFIO: Add in-kernel acceleration for VFIO
Please squash it. Thanks!
---
arch/powerpc/kvm/book3s_64_vio.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
index 22c67a47eaab..c3d8a88f1f4e 100644
--- a/arch/powerpc/kvm/book3s_64_vio.c
+++ b/arch/powerpc/kvm/book3s_64_vio.c
@@ -212,6 +212,11 @@ extern long kvm_spapr_tce_attach_iommu_group(struct kvm *kvm, int tablefd,
}
stit = kzalloc(sizeof(*stit), GFP_KERNEL);
+ if (!stit) {
+ iommu_tce_table_put(tbl);
+ return -ENOMEM;
+ }
+
stit->tbl = tbl;
kref_init(&stit->kref);
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson