kernel/resource: iomem_is_exclusive can be boolean (9825b451) · Commits · 戴 / test

include/linux/ioport.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -265,7 +265,7 @@ extern struct resource * __devm_request_region(struct device *dev,
		extern void __devm_release_region(struct device dev, struct resource parent,
		resource_size_t start, resource_size_t n);
		extern int iomem_map_sanity_check(resource_size_t addr, unsigned long size);
		extern int iomem_is_exclusive(u64 addr);
		extern bool iomem_is_exclusive(u64 addr);

		extern int
		walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,

+5 −5

Original line number	Diff line number	Diff line
		@@ -1563,17 +1563,17 @@ static int strict_iomem_checks;

		/*
		* check if an address is reserved in the iomem resource tree
		* returns 1 if reserved, 0 if not reserved.
		* returns true if reserved, false if not reserved.
		*/
		int iomem_is_exclusive(u64 addr)
		bool iomem_is_exclusive(u64 addr)
		{
		struct resource *p = &iomem_resource;
		int err = 0;
		bool err = false;
		loff_t l;
		int size = PAGE_SIZE;

		if (!strict_iomem_checks)
		return 0;
		return false;

		addr = addr & PAGE_MASK;

		@@ -1596,7 +1596,7 @@ int iomem_is_exclusive(u64 addr)
		continue;
		if (IS_ENABLED(CONFIG_IO_STRICT_DEVMEM)
		\|\| p->flags & IORESOURCE_EXCLUSIVE) {
		err = 1;
		err = true;
		break;
		}
		}