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Date: Sun, 18 Oct 2020 00:36:04 +0300 From: Vladimir Oltean <vladimir.oltean@....com> To: netdev@...r.kernel.org Cc: andrew@...n.ch, f.fainelli@...il.com, vivien.didelot@...il.com, kuba@...nel.org, Christian Eggers <ceggers@...i.de>, Kurt Kanzenbach <kurt@...utronix.de> Subject: [RFC PATCH 06/13] net: dsa: tag_ocelot: let DSA core deal with TX reallocation Now that we have a central TX reallocation procedure that accounts for the tagger's needed headroom in a generic way, we can remove the skb_cow_head call. Signed-off-by: Vladimir Oltean <vladimir.oltean@....com> --- net/dsa/tag_ocelot.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/net/dsa/tag_ocelot.c b/net/dsa/tag_ocelot.c index 3b468aca5c53..16a1afd5b8e1 100644 --- a/net/dsa/tag_ocelot.c +++ b/net/dsa/tag_ocelot.c @@ -143,13 +143,6 @@ static struct sk_buff *ocelot_xmit(struct sk_buff *skb, struct ocelot_port *ocelot_port; u8 *prefix, *injection; u64 qos_class, rew_op; - int err; - - err = skb_cow_head(skb, OCELOT_TOTAL_TAG_LEN); - if (unlikely(err < 0)) { - netdev_err(netdev, "Cannot make room for tag.\n"); - return NULL; - } ocelot_port = ocelot->ports[dp->index]; -- 2.25.1
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