diff mbox series

[v2,2/7] iommu/exynos: Handle failed IOMMU device registration properly

Message ID 20220710230603.13526-3-semen.protsenko@linaro.org
State Superseded
Headers show
Series iommu/exynos: Add basic support for SysMMU v7 | expand

Commit Message

Sam Protsenko July 10, 2022, 11:05 p.m. UTC
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.

Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
---
Changes in v2:
  - (none) This patch is new and added in v2

 drivers/iommu/exynos-iommu.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 8f80aaa35092..c85db9dab851 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -629,7 +629,7 @@  static int exynos_sysmmu_probe(struct platform_device *pdev)
 
 	ret = iommu_device_register(&data->iommu, &exynos_iommu_ops, dev);
 	if (ret)
-		return ret;
+		goto err_iommu_register;
 
 	platform_set_drvdata(pdev, data);
 
@@ -656,6 +656,10 @@  static int 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)