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-rw-r--r--drivers/iommu/intel/iommu.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 708f430af1c4..9a7b79b5af18 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -4606,6 +4606,8 @@ static int auxiliary_link_device(struct dmar_domain *domain,
if (!sinfo) {
sinfo = kzalloc(sizeof(*sinfo), GFP_ATOMIC);
+ if (!sinfo)
+ return -ENOMEM;
sinfo->domain = domain;
sinfo->pdev = dev;
list_add(&sinfo->link_phys, &info->subdevices);