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-rw-r--r--lib/devres.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/devres.c b/lib/devres.c
index 823533138fa0..48cb3c7bd7de 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -81,11 +81,13 @@ EXPORT_SYMBOL(devm_ioremap_nocache);
void devm_iounmap(struct device *dev, void __iomem *addr)
{
WARN_ON(devres_destroy(dev, devm_ioremap_release, devm_ioremap_match,
- (void *)addr));
+ (__force void *)addr));
iounmap(addr);
}
EXPORT_SYMBOL(devm_iounmap);
+#define IOMEM_ERR_PTR(err) (__force void __iomem *)ERR_PTR(err)
+
/**
* devm_ioremap_resource() - check, request region, and ioremap resource
* @dev: generic device to handle the resource for
@@ -114,7 +116,7 @@ void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res)
if (!res || resource_type(res) != IORESOURCE_MEM) {
dev_err(dev, "invalid resource\n");
- return ERR_PTR(-EINVAL);
+ return IOMEM_ERR_PTR(-EINVAL);
}
size = resource_size(res);
@@ -122,7 +124,7 @@ void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res)
if (!devm_request_mem_region(dev, res->start, size, name)) {
dev_err(dev, "can't request region for resource %pR\n", res);
- return ERR_PTR(-EBUSY);
+ return IOMEM_ERR_PTR(-EBUSY);
}
if (res->flags & IORESOURCE_CACHEABLE)
@@ -133,7 +135,7 @@ void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res)
if (!dest_ptr) {
dev_err(dev, "ioremap failed for resource %pR\n", res);
devm_release_mem_region(dev, res->start, size);
- dest_ptr = ERR_PTR(-ENOMEM);
+ dest_ptr = IOMEM_ERR_PTR(-ENOMEM);
}
return dest_ptr;
@@ -224,7 +226,7 @@ void devm_ioport_unmap(struct device *dev, void __iomem *addr)
{
ioport_unmap(addr);
WARN_ON(devres_destroy(dev, devm_ioport_map_release,
- devm_ioport_map_match, (void *)addr));
+ devm_ioport_map_match, (__force void *)addr));
}
EXPORT_SYMBOL(devm_ioport_unmap);
#endif /* CONFIG_HAS_IOPORT */