Messages in this thread Patch in this message | | | From | Magnus Damm <> | Date | Wed, 09 Jul 2008 20:54:36 +0900 | Subject | [PATCH 01/04] resource: add resource_size() |
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Avoid one-off errors by introducing a resource_size() function.
Signed-off-by: Magnus Damm <damm@igel.co.jp> ---
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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