websocket_threaded_example: fix static analyzer error

1 files changed, 5 insertions, 1 deletions

diff --git a/src/examples/websocket_threaded_example.c b/src/examples/websocket_threaded_example.c
index 1502501b..cfb7d750 100644
--- a/src/examples/websocket_threaded_example.c
+++ b/src/examples/websocket_threaded_example.c
@@ -495,7 +495,11 @@ ws_get_accept_value (const char *key, char **val)
   strncpy (str + WS_KEY_LEN, WS_GUID, WS_GUID_LEN + 1);
   SHA1Reset (&ctx);
   SHA1Input (&ctx, (const unsigned char *) str, WS_KEY_GUID_LEN);
-  SHA1Result (&ctx, hash);
+  if (SHA1_RESULT_SUCCESS != SHA1Result (&ctx, hash))
+  {
+    free (str);
+    return MHD_NO;
+  }
   free (str);
   len = BASE64Encode (hash, SHA1HashSize, val);
   if (-1 == len)