1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 3e9246cc49c3..a871f45ecc79 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -869,7 +869,7 @@ static unsigned int get_mergeable_buf_len(struct receive_queue *rq,
         unsigned int len;
 
         len = hdr_len + clamp_t(unsigned int, ewma_pkt_len_read(avg_pkt_len),
-                                rq->min_buf_len - hdr_len, PAGE_SIZE - hdr_len);
+                                rq->min_buf_len, PAGE_SIZE - hdr_len);
         return ALIGN(len, L1_CACHE_BYTES);
 }
 
@@ -2144,7 +2144,8 @@ static unsigned int mergeable_min_buf_len(struct virtnet_info *vi, struct virtqu
         unsigned int buf_len = hdr_len + ETH_HLEN + VLAN_HLEN + packet_len;
         unsigned int min_buf_len = DIV_ROUND_UP(buf_len, rq_size);
 
-        return max(min_buf_len, hdr_len);
+        return max(max(min_buf_len, hdr_len) - hdr_len,
+                   (unsigned int)GOOD_PACKET_LEN);
 }
 
 static int virtnet_find_vqs(struct virtnet_info *vi)