| Message ID | 20170327031927.18572-1-aik@ozlabs.ru (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Paul Mackerras |
| Headers | show |
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 <aik@ozlabs.ru> Reviewed-by: David Gibson <david@gibson.dropbear.id.au> > --- > > 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); >
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);
This adds missing check for failed kzalloc(). Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> --- 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(+)