diff options
| -rw-r--r-- | drivers/iommu/tegra-smmu.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c index 1ffdafe892d9..c439c0929ef8 100644 --- a/drivers/iommu/tegra-smmu.c +++ b/drivers/iommu/tegra-smmu.c @@ -818,6 +818,7 @@ static struct iommu_group *tegra_smmu_group_get(struct tegra_smmu *smmu, { const struct tegra_smmu_group_soc *soc; struct tegra_smmu_group *group; + struct iommu_group *grp; soc = tegra_smmu_find_group(smmu, swgroup); if (!soc) @@ -827,8 +828,9 @@ static struct iommu_group *tegra_smmu_group_get(struct tegra_smmu *smmu, list_for_each_entry(group, &smmu->groups, list) if (group->soc == soc) { + grp = iommu_group_ref_get(group->group); mutex_unlock(&smmu->lock); - return group->group; + return grp; } group = devm_kzalloc(smmu->dev, sizeof(*group), GFP_KERNEL); |