diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-16 22:28:34 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-11-16 22:28:34 -0500 |
| commit | 9526d9bc23f362035cfabf044aa90f4ed1787955 (patch) | |
| tree | 3c24639de58cfaebc9f2616750dedfdad4251c35 /drivers/xen/gntdev.c | |
| parent | d042f3135e5e3a0132942335dea0155ae86a7308 (diff) | |
| parent | 6929039761a3414e5c71448eb3dcc1d82fc1891d (diff) | |
Merge branch 'arch-arm64' into no-rebases
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); } /* ------------------------------------------------------------------ */ |
