resource: constify arg to resource_size() and resource_type()
authorJean Delvare <khali@linux-fr.org>
Wed, 16 Dec 2009 00:48:21 +0000 (16:48 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 16 Dec 2009 15:20:17 +0000 (07:20 -0800)
resource_size() doesn't change the resource it operates on, so the res
parameter can be marked const.  Same for resource_type().

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Reviewed-by: WANG Cong <xiyou.wangcong@gmail.com>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/ioport.h

index 83aa81297ea35c693e15b14b54bf2690d9af9648..7129504e053d29c722706990059c77596f3e7c2d 100644 (file)
@@ -126,11 +126,11 @@ extern int allocate_resource(struct resource *root, struct resource *new,
 int adjust_resource(struct resource *res, resource_size_t start,
                    resource_size_t size);
 resource_size_t resource_alignment(struct resource *res);
-static inline resource_size_t resource_size(struct resource *res)
+static inline resource_size_t resource_size(const struct resource *res)
 {
        return res->end - res->start + 1;
 }
-static inline unsigned long resource_type(struct resource *res)
+static inline unsigned long resource_type(const struct resource *res)
 {
        return res->flags & IORESOURCE_TYPE_BITS;
 }