diff --git a/drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c b/drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c index 269a06fcca27..8b97db10ecde 100644 --- a/drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c +++ b/drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c @@ -716,7 +716,7 @@ static void tegra241_vintf_free_lvcmdq(struct tegra241_vintf *vintf, u16 lidx) dev_dbg(vintf->cmdqv->dev, "%sdeallocated\n", lvcmdq_error_header(vcmdq, header, 64)); /* Guest-owned VCMDQ is free-ed with hw_queue by iommufd core */ - if (vcmdq->vintf->hyp_own) + if (!vcmdq->vintf->idx) kfree(vcmdq); } @@ -814,7 +814,7 @@ static void tegra241_cmdqv_remove_vintf(struct tegra241_cmdqv *cmdqv, u16 idx) dev_dbg(cmdqv->dev, "VINTF%u: deallocated\n", vintf->idx); tegra241_cmdqv_deinit_vintf(cmdqv, idx); - if (!vintf->hyp_own) { + if (vintf->idx) { mutex_destroy(&vintf->lvcmdq_mutex); ida_destroy(&vintf->sids); /* Guest-owned VINTF is free-ed with viommu by iommufd core */ @@ -931,6 +931,12 @@ static int tegra241_cmdqv_init_structures(struct arm_smmu_device *smmu) ret = tegra241_cmdqv_init_vintf(cmdqv, 0, vintf); if (ret) { dev_err(cmdqv->dev, "failed to init vintf0: %d\n", ret); + /* + * tegra241_cmdqv_init_vintf() failed to publish the vintf0 to + * cmdqv->vintfs[], so the probe unwind path that goes through + * cmdqv->vintfs[] would miss it. Free it here. + */ + kfree(vintf); return ret; }