diff options
Diffstat (limited to 'src/rust')
| -rw-r--r-- | src/rust/protover/ffi.rs | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/rust/protover/ffi.rs b/src/rust/protover/ffi.rs index 0c28d032c6..f17f30127d 100644 --- a/src/rust/protover/ffi.rs +++ b/src/rust/protover/ffi.rs @@ -62,6 +62,9 @@ pub extern "C" fn protover_all_supported( }; if let Some(unsupported) = relay_proto_entry.all_supported() { + if missing_out.is_null() { + return 0; + } let c_unsupported: CString = match CString::new(unsupported.to_string()) { Ok(n) => n, Err(_) => return 1, |