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-rw-r--r--net/core/pktgen.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index b29dacf900f9..e6e1cbe863f5 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1781,10 +1781,13 @@ 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;
}