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authorSami Tolvanen <samitolvanen@google.com>2018-05-07 21:09:46 +0300
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-05-09 23:33:46 +0300
commitdaa36370b62428cca6d48d1b2530a8419f631c8c (patch)
treebae009612a16ef88e6450a9c23ee79a7a1a5793b /drivers/media/media-device.c
parent5b817555ab1a02235eddbffa70ceb2b482d4aaef (diff)
downloadlinux-daa36370b62428cca6d48d1b2530a8419f631c8c.tar.xz
media: media-device: fix ioctl function types
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>
Diffstat (limited to 'drivers/media/media-device.c')
-rw-r--r--drivers/media/media-device.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index 35e81f7c0d2f..ae59c3177555 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -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;