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-rw-r--r--drivers/base/platform.c26
1 files changed, 11 insertions, 15 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 5a29387..46a56f6 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -332,7 +332,7 @@ int platform_device_add(struct platform_device *pdev)
*/
ret = ida_simple_get(&platform_devid_ida, 0, 0, GFP_KERNEL);
if (ret < 0)
- return ret;
+ goto err_out;
pdev->id = ret;
pdev->id_auto = true;
dev_set_name(&pdev->dev, "%s.%d.auto", pdev->name, pdev->id);
@@ -340,7 +340,7 @@ int platform_device_add(struct platform_device *pdev)
}
for (i = 0; i < pdev->num_resources; i++) {
- struct resource *conflict, *p, *r = &pdev->resource[i];
+ struct resource *p, *r = &pdev->resource[i];
unsigned long type = resource_type(r);
if (r->name == NULL)
@@ -357,14 +357,11 @@ int platform_device_add(struct platform_device *pdev)
p = &ioport_resource;
}
- conflict = insert_resource_conflict(p, r);
- if (!conflict)
- continue;
-
- dev_err(&pdev->dev,
- "ignoring resource %pR (conflicts with %s %pR)\n",
- r, conflict->name, conflict);
- p->parent = NULL;
+ if (insert_resource(p, r)) {
+ dev_err(&pdev->dev, "failed to claim resource %d\n", i);
+ ret = -EBUSY;
+ goto failed;
+ }
}
pr_debug("Registering platform device '%s'. Parent at %s\n",
@@ -374,7 +371,7 @@ int platform_device_add(struct platform_device *pdev)
if (ret == 0)
return ret;
- /* Failure path */
+ failed:
if (pdev->id_auto) {
ida_simple_remove(&platform_devid_ida, pdev->id);
pdev->id = PLATFORM_DEVID_AUTO;
@@ -384,11 +381,11 @@ int platform_device_add(struct platform_device *pdev)
struct resource *r = &pdev->resource[i];
unsigned long type = resource_type(r);
- if ((type == IORESOURCE_MEM || type == IORESOURCE_IO) &&
- r->parent)
+ if (type == IORESOURCE_MEM || type == IORESOURCE_IO)
release_resource(r);
}
+ err_out:
return ret;
}
EXPORT_SYMBOL_GPL(platform_device_add);
@@ -417,8 +414,7 @@ void platform_device_del(struct platform_device *pdev)
struct resource *r = &pdev->resource[i];
unsigned long type = resource_type(r);
- if ((type == IORESOURCE_MEM || type == IORESOURCE_IO) &&
- r->parent)
+ if (type == IORESOURCE_MEM || type == IORESOURCE_IO)
release_resource(r);
}
}