If the length is less or equal to frag_prefix_size in the first iteration
we write skb_frags_rx[-1] and read from priv->frag_info[-1]
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c
index 91bdfdf..3ac0404 100644
--- a/drivers/net/mlx4/en_rx.c
+++ b/drivers/net/mlx4/en_rx.c
@@ -506,8 +506,9 @@ static int mlx4_en_complete_rx_desc(struct mlx4_en_priv *priv,
PCI_DMA_FROMDEVICE);
}
/* Adjust size of last fragment to match actual length */
- skb_frags_rx[nr - 1].size = length -
- priv->frag_info[nr - 1].frag_prefix_size;
+ if (nr > 0)
+ skb_frags_rx[nr - 1].size = length -
+ priv->frag_info[nr - 1].frag_prefix_size;
return nr;
fail:
--
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