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authorDominik Brodowski <linux@dominikbrodowski.net>2010-01-01 17:40:49 +0100
committerJesse Barnes <jbarnes@virtuousgeek.org>2010-02-22 16:16:56 -0800
commitb26b2d494b659f988b4d75eb394dfa0ddac415c9 (patch)
treed262f333e529a21017dc072e604a626b38520515 /kernel/resource.c
parent93da6202264ce1256b04db8008a43882ae62d060 (diff)
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resource/PCI: align functions now return start of resource
As suggested by Linus, align functions should return the start of a resource, not void. An update of "res->start" is no longer necessary. Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'kernel/resource.c')
-rw-r--r--kernel/resource.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/kernel/resource.c b/kernel/resource.c
index af96c1e4b54b..e697f20e2288 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -303,8 +303,10 @@ int walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,
static int find_resource(struct resource *root, struct resource *new,
resource_size_t size, resource_size_t min,
resource_size_t max, resource_size_t align,
- void (*alignf)(void *, struct resource *,
- resource_size_t, resource_size_t),
+ resource_size_t (*alignf)(void *,
+ struct resource *,
+ resource_size_t,
+ resource_size_t),
void *alignf_data)
{
struct resource *this = root->child;
@@ -330,7 +332,7 @@ static int find_resource(struct resource *root, struct resource *new,
tmp.end = max;
tmp.start = ALIGN(tmp.start, align);
if (alignf)
- alignf(alignf_data, &tmp, size, align);
+ tmp.start = alignf(alignf_data, &tmp, size, align);
if (tmp.start < tmp.end && tmp.end - tmp.start >= size - 1) {
new->start = tmp.start;
new->end = tmp.start + size - 1;
@@ -358,8 +360,10 @@ static int find_resource(struct resource *root, struct resource *new,
int allocate_resource(struct resource *root, struct resource *new,
resource_size_t size, resource_size_t min,
resource_size_t max, resource_size_t align,
- void (*alignf)(void *, struct resource *,
- resource_size_t, resource_size_t),
+ resource_size_t (*alignf)(void *,
+ struct resource *,
+ resource_size_t,
+ resource_size_t),
void *alignf_data)
{
int err;