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-rw-r--r--src/plugins/avf/device.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/avf/device.c b/src/plugins/avf/device.c
index 139f1c99ebb..fd173980ba1 100644
--- a/src/plugins/avf/device.c
+++ b/src/plugins/avf/device.c
@@ -485,7 +485,7 @@ retry:
goto done;
}
- if (d->flags & AVF_AQ_F_BUF)
+ if (out_len && d->flags & AVF_AQ_F_BUF)
{
void *buf = ad->arq_bufs + ad->arq_next_slot * AVF_MBOX_BUF_SZ;
clib_memcpy_fast (out, buf, out_len);