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-rw-r--r--drivers/misc/ntsync.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/ntsync.c b/drivers/misc/ntsync.c
index 02c9d1192812..4a805919bb0c 100644
--- a/drivers/misc/ntsync.c
+++ b/drivers/misc/ntsync.c
@@ -875,6 +875,9 @@ static int setup_wait(struct ntsync_device *dev,
if (args->pad || (args->flags & ~NTSYNC_WAIT_REALTIME))
return -EINVAL;
+ if (!args->owner)
+ return -EINVAL;
+
if (size >= sizeof(fds))
return -EINVAL;