diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-10-03 16:21:20 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-05 11:12:59 +0200 |
| commit | a549e3aac29cde86c1ade76909df759918c11653 (patch) | |
| tree | 2edcb86d93de2761031028c62a4283de6501230a /drivers/base | |
| parent | driver core: platform: Drop redundant check in platform_device_add() (diff) | |
| download | linux-a549e3aac29cde86c1ade76909df759918c11653.tar.xz linux-a549e3aac29cde86c1ade76909df759918c11653.zip | |
driver core: platform: Refactor error path in a couple places
The usual pattern is to bail out on the error case. Besides that
one of the labels is redundant as we may return directly. Refactor
platform_device_add() and platform_dma_configure() accordingly.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20231003142122.3072824-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base')
| -rw-r--r-- | drivers/base/platform.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c index d81f05c4fccd..2b8645911d51 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -678,7 +678,7 @@ int platform_device_add(struct platform_device *pdev) */ ret = ida_alloc(&platform_devid_ida, GFP_KERNEL); if (ret < 0) - goto err_out; + return ret; pdev->id = ret; pdev->id_auto = true; dev_set_name(&pdev->dev, "%s.%d.auto", pdev->name, pdev->id); @@ -712,8 +712,10 @@ int platform_device_add(struct platform_device *pdev) dev_name(&pdev->dev), dev_name(pdev->dev.parent)); ret = device_add(&pdev->dev); - if (ret == 0) - return ret; + if (ret) + goto failed; + + return 0; failed: if (pdev->id_auto) { @@ -727,7 +729,6 @@ int platform_device_add(struct platform_device *pdev) release_resource(r); } - err_out: return ret; } EXPORT_SYMBOL_GPL(platform_device_add); @@ -1453,12 +1454,12 @@ static int platform_dma_configure(struct device *dev) attr = acpi_get_dma_attr(to_acpi_device_node(dev->fwnode)); ret = acpi_dma_configure(dev, attr); } + if (ret || drv->driver_managed_dma) + return ret; - if (!ret && !drv->driver_managed_dma) { - ret = iommu_device_use_default_domain(dev); - if (ret) - arch_teardown_dma_ops(dev); - } + ret = iommu_device_use_default_domain(dev); + if (ret) + arch_teardown_dma_ops(dev); return ret; } |