cbor: check return value for zero

7 years ago · f6db56929f
1 changed files with 4 additions and 0 deletions
--- a/sys/cbor/cbor.c
+++ b/sys/cbor/cbor.c
@ -439,6 +439,10 @@ size_t cbor_deserialize_int(const cbor_stream_t *stream, size_t offset, int *val
    uint64_t buf;
    size_t read_bytes = decode_int(stream, offset, &buf);

+    if (!read_bytes) {
+        return 0;
+    }
+
    if (CBOR_TYPE(stream, offset) == CBOR_UINT) {
        *val = buf; /* resolve as CBOR_UINT */
    }