From: Sam Protsenko semen.protsenko@linaro.org
[ Upstream commit fce398d2d02c0a9a2bedf7c7201b123e153e8963 ]
If iommu_device_register() fails in exynos_sysmmu_probe(), the previous calls have to be cleaned up. In this case, the iommu_device_sysfs_add() should be cleaned up, by calling its remove counterpart call.
Fixes: d2c302b6e8b1 ("iommu/exynos: Make use of iommu_device_register interface") Signed-off-by: Sam Protsenko semen.protsenko@linaro.org Reviewed-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org Acked-by: Marek Szyprowski m.szyprowski@samsung.com Link: https://lore.kernel.org/r/20220714165550.8884-3-semen.protsenko@linaro.org Signed-off-by: Joerg Roedel jroedel@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iommu/exynos-iommu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index 4bf6049dd2c7..8626c924f724 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -640,7 +640,7 @@ static int __init exynos_sysmmu_probe(struct platform_device *pdev)
ret = iommu_device_register(&data->iommu); if (ret) - return ret; + goto err_iommu_register;
platform_set_drvdata(pdev, data);
@@ -667,6 +667,10 @@ static int __init exynos_sysmmu_probe(struct platform_device *pdev) pm_runtime_enable(dev);
return 0; + +err_iommu_register: + iommu_device_sysfs_remove(&data->iommu); + return ret; }
static int __maybe_unused exynos_sysmmu_suspend(struct device *dev)