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Commit 253c6daa authored by Mathias Krause's avatar Mathias Krause Committed by David S. Miller
Browse files

caif: use pskb_put() instead of reimplementing its functionality



Also remove the warning for fragmented packets -- skb_cow_data() will
linearize the buffer, removing all fragments.

Signed-off-by: default avatarMathias Krause <mathias.krause@secunet.com>
Cc: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0c7ddf36
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+1 −11
Original line number Diff line number Diff line
@@ -203,20 +203,10 @@ int cfpkt_add_body(struct cfpkt *pkt, const void *data, u16 len)
			PKT_ERROR(pkt, "cow failed\n");
			return -EPROTO;
		}
		/*
		 * Is the SKB non-linear after skb_cow_data()? If so, we are
		 * going to add data to the last SKB, so we need to adjust
		 * lengths of the top SKB.
		 */
		if (lastskb != skb) {
			pr_warn("Packet is non-linear\n");
			skb->len += len;
			skb->data_len += len;
		}
	}

	/* All set to put the last SKB and optionally write data there. */
	to = skb_put(lastskb, len);
	to = pskb_put(skb, lastskb, len);
	if (likely(data))
		memcpy(to, data, len);
	return 0;