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path: root/drivers/iommu/msm_iommu_dev.c
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Diffstat (limited to 'drivers/iommu/msm_iommu_dev.c')
-rw-r--r--drivers/iommu/msm_iommu_dev.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/iommu/msm_iommu_dev.c b/drivers/iommu/msm_iommu_dev.c
index 9144a6beed92..6ba351477132 100644
--- a/drivers/iommu/msm_iommu_dev.c
+++ b/drivers/iommu/msm_iommu_dev.c
@@ -291,25 +291,20 @@ static int msm_iommu_ctx_probe(struct platform_device *pdev)
{
struct msm_iommu_ctx_dev *c = pdev->dev.platform_data;
struct msm_iommu_drvdata *drvdata;
- struct msm_iommu_ctx_drvdata *ctx_drvdata = NULL;
+ struct msm_iommu_ctx_drvdata *ctx_drvdata;
int i, ret;
- if (!c || !pdev->dev.parent) {
- ret = -EINVAL;
- goto fail;
- }
- drvdata = dev_get_drvdata(pdev->dev.parent);
+ if (!c || !pdev->dev.parent)
+ return -EINVAL;
- if (!drvdata) {
- ret = -ENODEV;
- goto fail;
- }
+ drvdata = dev_get_drvdata(pdev->dev.parent);
+ if (!drvdata)
+ return -ENODEV;
ctx_drvdata = kzalloc(sizeof(*ctx_drvdata), GFP_KERNEL);
- if (!ctx_drvdata) {
- ret = -ENOMEM;
- goto fail;
- }
+ if (!ctx_drvdata)
+ return -ENOMEM;
+
ctx_drvdata->num = c->num;
ctx_drvdata->pdev = pdev;
@@ -403,6 +398,7 @@ static int __init msm_iommu_driver_init(void)
ret = platform_driver_register(&msm_iommu_ctx_driver);
if (ret != 0) {
+ platform_driver_unregister(&msm_iommu_driver);
pr_err("Failed to register IOMMU context driver\n");
goto error;
}