linux-kernel - [PATCH 5.10 133/575] ifb: fix building without CONFIG_NET_CLS

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Date:   Mon, 15 Nov 2021 17:57:38 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        "David S. Miller" <davem@...emloft.net>
Subject: [PATCH 5.10 133/575] ifb: fix building without CONFIG_NET_CLS_ACT

From: Arnd Bergmann <arnd@...db.de>

commit 7444d706be31753f65052c7f6325fc8470cc1789 upstream.

The driver no longer depends on this option, but it fails to
build if it's disabled because the skb->tc_skip_classify is
hidden behind an #ifdef:

drivers/net/ifb.c:81:8: error: no member named 'tc_skip_classify' in 'struct sk_buff'
                skb->tc_skip_classify = 1;

Use the same #ifdef around the assignment.

Fixes: 046178e726c2 ("ifb: Depend on netfilter alternatively to tc")
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/ifb.c |    2 ++
 1 file changed, 2 insertions(+)

--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -76,7 +76,9 @@ static void ifb_ri_tasklet(unsigned long
 
 	while ((skb = __skb_dequeue(&txp->tq)) != NULL) {
 		skb->redirected = 0;
+#ifdef CONFIG_NET_CLS_ACT
 		skb->tc_skip_classify = 1;
+#endif
 
 		u64_stats_update_begin(&txp->tsync);
 		txp->tx_packets++;