Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
[firefly-linux-kernel-4.4.55.git] / net / core / pktgen.c
index 797769551b91181421a6622ddbe7de46f9d107a0..2201e699ad67bdc84e74ef4b85b8cc08ecd76276 100644 (file)
@@ -1790,10 +1790,13 @@ static ssize_t pktgen_thread_write(struct file *file,
                        return -EFAULT;
                i += len;
                mutex_lock(&pktgen_thread_lock);
-               pktgen_add_device(t, f);
+               ret = pktgen_add_device(t, f);
                mutex_unlock(&pktgen_thread_lock);
-               ret = count;
-               sprintf(pg_result, "OK: add_device=%s", f);
+               if (!ret) {
+                       ret = count;
+                       sprintf(pg_result, "OK: add_device=%s", f);
+               } else
+                       sprintf(pg_result, "ERROR: can not add device %s", f);
                goto out;
        }