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authorArnd Bergmann <arnd@arndb.de>2012-11-12 22:18:43 +0100
committerArnd Bergmann <arnd@arndb.de>2012-11-13 10:14:38 +0100
commitb5932cc839d809a07a43b93555ccc3fbabc2a766 (patch)
tree528d7a0b3353c08ec7461dee80d7d3151061dc07 /drivers/xen/gntdev.c
parenta5434fc9e2ad9bac545f058a24b284c051a1faae (diff)
parent16cf8a80a8f0f4757427b17cdfb6c4897674db68 (diff)
Merge branch 'cleanups/dma' into next/cleanup
Separate patches from Marek Szyprowski <m.szyprowski@samsung.com>: Commit e9da6e9905e639b0 ("ARM: dma-mapping: remove custom consistent dma region") replaced custom consistent memory handling, so setting consistent dma memory size is not longer required. This patch series cleans sub-architecture platform code to remove all calls to the obsolated init_consistent_dma_size() function and finally removes the init_consistent_dma_size() stub itself. * cleanups/dma: ARM: at91: remove obsoleted init_consistent_dma_size() ARM: u300: remove obsoleted init_consistent_dma_size() ARM: dma-mapping: remove init_consistent_dma_size() stub ARM: shmobile: remove obsoleted init_consistent_dma_size() ARM: davinci: remove obsoleted init_consistent_dma_size() ARM: samsung: remove obsoleted init_consistent_dma_size() Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/xen/gntdev.c')
-rw-r--r--drivers/xen/gntdev.c36
1 files changed, 19 insertions, 17 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index 610bfc6be17..2e22df2f7a3 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -105,6 +105,21 @@ static void gntdev_print_maps(struct gntdev_priv *priv,
#endif
}
+static void gntdev_free_map(struct grant_map *map)
+{
+ if (map == NULL)
+ return;
+
+ if (map->pages)
+ free_xenballooned_pages(map->count, map->pages);
+ kfree(map->pages);
+ kfree(map->grants);
+ kfree(map->map_ops);
+ kfree(map->unmap_ops);
+ kfree(map->kmap_ops);
+ kfree(map);
+}
+
static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count)
{
struct grant_map *add;
@@ -142,12 +157,7 @@ static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count)
return add;
err:
- kfree(add->pages);
- kfree(add->grants);
- kfree(add->map_ops);
- kfree(add->unmap_ops);
- kfree(add->kmap_ops);
- kfree(add);
+ gntdev_free_map(add);
return NULL;
}
@@ -198,17 +208,9 @@ static void gntdev_put_map(struct grant_map *map)
evtchn_put(map->notify.event);
}
- if (map->pages) {
- if (!use_ptemod)
- unmap_grant_pages(map, 0, map->count);
-
- free_xenballooned_pages(map->count, map->pages);
- }
- kfree(map->pages);
- kfree(map->grants);
- kfree(map->map_ops);
- kfree(map->unmap_ops);
- kfree(map);
+ if (map->pages && !use_ptemod)
+ unmap_grant_pages(map, 0, map->count);
+ gntdev_free_map(map);
}
/* ------------------------------------------------------------------ */