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media: media-device: fix ioctl function types

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This change fixes function types for media device ioctls to avoid
indirect call mismatches with Control-Flow Integrity checking.

Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Sami Tolvanen 2018-05-07 14:09:46 -04:00 committed by Mauro Carvalho Chehab
parent 5b817555ab
commit daa36370b6
1 changed files with 11 additions and 10 deletions
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21
drivers/media/media-device.c
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@ -54,9 +54,10 @@ static int media_device_close(struct file *filp)
return 0;
}
static int media_device_get_info(struct media_device *dev,
struct media_device_info *info)
static long media_device_get_info(struct media_device *dev, void *arg)
{
struct media_device_info *info = arg;
memset(info, 0, sizeof(*info));
if (dev->driver_name[0])
@ -93,9 +94,9 @@ static struct media_entity *find_entity(struct media_device *mdev, u32 id)
return NULL;
}
static long media_device_enum_entities(struct media_device *mdev,
struct media_entity_desc *entd)
static long media_device_enum_entities(struct media_device *mdev, void *arg)
{
struct media_entity_desc *entd = arg;
struct media_entity *ent;
ent = find_entity(mdev, entd->id);
@ -146,9 +147,9 @@ static void media_device_kpad_to_upad(const struct media_pad *kpad,
upad->flags = kpad->flags;
}
static long media_device_enum_links(struct media_device *mdev,
struct media_links_enum *links)
static long media_device_enum_links(struct media_device *mdev, void *arg)
{
struct media_links_enum *links = arg;
struct media_entity *entity;
entity = find_entity(mdev, links->entity);
@ -195,9 +196,9 @@ static long media_device_enum_links(struct media_device *mdev,
return 0;
}
static long media_device_setup_link(struct media_device *mdev,
struct media_link_desc *linkd)
static long media_device_setup_link(struct media_device *mdev, void *arg)
{
struct media_link_desc *linkd = arg;
struct media_link *link = NULL;
struct media_entity *source;
struct media_entity *sink;
@ -225,9 +226,9 @@ static long media_device_setup_link(struct media_device *mdev,
return __media_entity_setup_link(link, linkd->flags);
}
static long media_device_get_topology(struct media_device *mdev,
struct media_v2_topology *topo)
static long media_device_get_topology(struct media_device *mdev, void *arg)
{
struct media_v2_topology *topo = arg;
struct media_entity *entity;
struct media_interface *intf;
struct media_pad *pad;