diff options
author | Catalin Marinas <catalin.marinas@arm.com> | 2012-11-13 17:36:07 +0000 |
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committer | Catalin Marinas <catalin.marinas@arm.com> | 2012-11-13 17:36:07 +0000 |
commit | 6097a07411005c0184cf90256743c784079198fc (patch) | |
tree | 0c6496aa7de5f00a60ed8e7bac4b34f5acc7e30a /drivers/xen/gntdev.c | |
parent | 6a872777ffff6184f4ac10bd71d926d5e6f2491e (diff) | |
parent | 77b67063bb6bce6d475e910d3b886a606d0d91f7 (diff) |
Merge tag 'v3.7-rc5' into execve
Linux 3.7-rc5
Conflicts:
arch/arm64/kernel/process.c
Diffstat (limited to 'drivers/xen/gntdev.c')
-rw-r--r-- | drivers/xen/gntdev.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 610bfc6be177..2e22df2f7a3f 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); } /* ------------------------------------------------------------------ */ |