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path: root/drivers/media/media-device.c
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Diffstat (limited to 'drivers/media/media-device.c')
-rw-r--r--drivers/media/media-device.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index 6f46c59415fe..73a2dba475d0 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -474,6 +474,7 @@ 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));
@@ -485,7 +486,14 @@ 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)