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resource: constify arg to resource_size() and resource_type()

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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>
This commit is contained in:
Jean Delvare 2009-12-15 16:48:21 -08:00 committed by Linus Torvalds
parent 76148df19c
commit f65380c07b
1 changed files with 2 additions and 2 deletions
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4
include/linux/ioport.h
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@ -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;
}