Messages in this thread | | | Subject | Re: [PATCH] iommu/qcom:fix local_base status check | From | Robin Murphy <> | Date | Thu, 16 Apr 2020 11:05:26 +0100 |
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On 2020-04-02 7:33 am, Tang Bin wrote: > Release resources when exiting on error. > > Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com> > --- > drivers/iommu/qcom_iommu.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c > index 4328da0b0..c08aa9651 100644 > --- a/drivers/iommu/qcom_iommu.c > +++ b/drivers/iommu/qcom_iommu.c > @@ -813,8 +813,11 @@ static int qcom_iommu_device_probe(struct platform_device *pdev) > qcom_iommu->dev = dev; > > res = platform_get_resource(pdev, IORESOURCE_MEM, 0); > - if (res) > + if (res) { > qcom_iommu->local_base = devm_ioremap_resource(dev, res); > + if (IS_ERR(qcom_iommu->local_base)) > + return PTR_ERR(qcom_iommu->local_base); > + }
...or just use devm_platform_ioremap_resource() to make the whole thing simpler.
Robin.
> > qcom_iommu->iface_clk = devm_clk_get(dev, "iface"); > if (IS_ERR(qcom_iommu->iface_clk)) { >
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