tests: avoid NULL pointer dereference

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/tests/concurrent.c b/src/tests/concurrent.c
index bfefa48094e2dff65b9fe20fdb05df4912103b1c..20b5dc6256df64a25cb9bb3faf6210100d88dc86 100644 (file)
--- a/src/tests/concurrent.c
+++ b/src/tests/concurrent.c
@@ -188,7 +188,8 @@ int main(int argc, char *argv[]) {
                 }
                 modes[i] = tok;
             }
-            modes[i] = NULL;
+           if (modes)
+                   modes[i] = NULL;
             break;
         }
         default: /* '?' */