Re: [PATCH net v2] net: dsa: microchip: linearize skb for tail-tagging switches
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From: Jakub Kicinski <kuba@kernel.org>
Date: 2025-05-13 23:37:46
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On Mon, 12 May 2025 16:44:18 +0200 Jakob Unterwurzacher wrote:
quoted hunk ↗ jump to hunk
static struct sk_buff *ksz9477_rcv(struct sk_buff *skb, struct net_device *dev) { + u8 *tag; + + if (skb_linearize(skb)) + return NULL; + /* Tag decoding */ - u8 *tag = skb_tail_pointer(skb) - KSZ_EGRESS_TAG_LEN; + tag = skb_tail_pointer(skb) - KSZ_EGRESS_TAG_LEN; unsigned int port = tag[0] & KSZ9477_TAIL_TAG_EG_PORT_M; unsigned int len = KSZ_EGRESS_TAG_LEN;
Please don't add code before variable declarations. -- pw-bot: cr