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drivers:net: fix return value check in ocelot_fdma_receive_skb

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ocelot_fdma_receive_skb should return false if an unexpected
value is returned by pskb_trim.

Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuanjun Gong 2023-07-17 22:46:52 +08:00 committed by David S. Miller
parent 78a93c3100
commit bce5603365
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/mscc/ocelot_fdma.c
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@ -368,7 +368,8 @@ static bool ocelot_fdma_receive_skb(struct ocelot *ocelot, struct sk_buff *skb)
if (unlikely(!ndev))
return false;
pskb_trim(skb, skb->len - ETH_FCS_LEN);
if (pskb_trim(skb, skb->len - ETH_FCS_LEN))
return false;
skb->dev = ndev;
skb->protocol = eth_type_trans(skb, skb->dev);