summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/iommu.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/iommu.c')
-rw-r--r--arch/powerpc/kernel/iommu.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index ebe259bdd462..df17b33b89d1 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -1290,8 +1290,10 @@ spapr_tce_platform_iommu_attach_dev(struct iommu_domain *platform_domain,
int ret = -EINVAL;
/* At first attach the ownership is already set */
- if (!domain)
+ if (!domain) {
+ iommu_group_put(grp);
return 0;
+ }
if (!grp)
return -ENODEV;