diff options
Diffstat (limited to 'drivers/media/media-device.c')
| -rw-r--r-- | drivers/media/media-device.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c index 62b2c5d9bdfb..4eb51a618fe1 100644 --- a/drivers/media/media-device.c +++ b/drivers/media/media-device.c @@ -470,6 +470,7 @@ static long media_device_enum_links32(struct media_device *mdev, { struct media_links_enum links; compat_uptr_t pads_ptr, links_ptr; + int ret; memset(&links, 0, sizeof(links)); @@ -481,7 +482,14 @@ static long media_device_enum_links32(struct media_device *mdev, links.pads = compat_ptr(pads_ptr); links.links = compat_ptr(links_ptr); - return media_device_enum_links(mdev, &links); + ret = media_device_enum_links(mdev, &links); + if (ret) + return ret; + + if (copy_to_user(ulinks->reserved, links.reserved, + sizeof(ulinks->reserved))) + return -EFAULT; + return 0; } #define MEDIA_IOC_ENUM_LINKS32 _IOWR('|', 0x02, struct media_links_enum32) |