drm: ioremap balanced with iounmap for drivers/char/drm
ioremap must be balanced by an iounmap and failing to do so can result
in a memory leak.
Tested (compilation only) to make sure the files are compiling without
any warning/error due to new changes
Signed-off-by: Amol Lad <amol@verismonetworks.com>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/drm_bufs.c b/drivers/char/drm/drm_bufs.c
index 029baea..6eafff1 100644
--- a/drivers/char/drm/drm_bufs.c
+++ b/drivers/char/drm/drm_bufs.c
@@ -237,6 +237,8 @@
list = drm_alloc(sizeof(*list), DRM_MEM_MAPS);
if (!list) {
+ if (map->type == _DRM_REGISTERS)
+ drm_ioremapfree(map->handle, map->size, dev);
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
return -EINVAL;
}
@@ -252,6 +254,8 @@
map->offset;
ret = drm_map_handle(dev, &list->hash, user_token, 0);
if (ret) {
+ if (map->type == _DRM_REGISTERS)
+ drm_ioremapfree(map->handle, map->size, dev);
drm_free(map, sizeof(*map), DRM_MEM_MAPS);
drm_free(list, sizeof(*list), DRM_MEM_MAPS);
mutex_unlock(&dev->struct_mutex);