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| author | Sami Tolvanen <samitolvanen@google.com> | 2018-05-07 21:09:46 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-08-03 08:50:35 +0300 |
| commit | f3766ad7d325be5dae629f16f6027e2acf0a01bc (patch) | |
| tree | 78dafe52707ff742c0e3fdfd4b63d2a12b609260 /drivers/media | |
| parent | ce222fb1256b4c8c712bc894e395cd7640fc54ad (diff) | |
| download | linux-f3766ad7d325be5dae629f16f6027e2acf0a01bc.tar.xz | |
media: media-device: fix ioctl function types
[ Upstream commit daa36370b62428cca6d48d1b2530a8419f631c8c ]
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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/media-device.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index e79f72b8b858..62b2c5d9bdfb 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); @@ -194,9 +195,9 @@ 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; @@ -222,9 +223,9 @@ 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; |