resource: constify arg to resource_size() and resource_type()
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>
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index 83aa812..7129504 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -126,11 +126,11 @@
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;
}