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 e6899adc5012e85260127cb3b4a4822fd3c23632..08bb7700eb56bdcb5fcaf79ae4af06d8ab57eea5 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: /* '?' */