From: Magnus Damm <[EMAIL PROTECTED]>
Avoid one-off errors by introducing a resource_size() function.
Signed-off-by: Magnus Damm <[EMAIL PROTECTED]>
---
include/linux/ioport.h | 4 ++++
kernel/resource.c | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)
--- 0001/include/linux/ioport.h
+++ work/include/linux/ioport.h 2008-07-09 12:59:04.000000000 +0900
@@ -113,6 +113,10 @@ extern int allocate_resource(struct reso
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)
+{
+ return res->end - res->start + 1;
+}
/* Convenience shorthand with allocation */
#define request_region(start,n,name) __request_region(&ioport_resource,
(start), (n), (name))
--- 0001/kernel/resource.c
+++ work/kernel/resource.c 2008-07-09 12:59:41.000000000 +0900
@@ -490,7 +490,7 @@ resource_size_t resource_alignment(struc
{
switch (res->flags & (IORESOURCE_SIZEALIGN | IORESOURCE_STARTALIGN)) {
case IORESOURCE_SIZEALIGN:
- return res->end - res->start + 1;
+ return resource_size(res);
case IORESOURCE_STARTALIGN:
return res->start;
default:
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