linux-kernel - [PATCH] netprio_cgroup: define sk_cgrp_prioidx only if NETPRIO

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Message-ID: <50DA9DB8.6080506@huawei.com>
Date:	Wed, 26 Dec 2012 14:48:24 +0800
From:	Li Zefan <lizefan@...wei.com>
To:	David Miller <davem@...emloft.net>
CC:	Neil Horman <nhorman@...driver.com>,
	LKML <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
	Cgroups <cgroups@...r.kernel.org>
Subject: [PATCH] netprio_cgroup: define sk_cgrp_prioidx only if NETPRIO_CGROUP
 is enabled

sock->sk_cgrp_prioidx won't be used at all if CONFIG_NETPRIO_CGROUP=n.

Signed-off-by: Li Zefan <lizefan@...wei.com>
---
 include/net/sock.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/net/sock.h b/include/net/sock.h
index 93a6745..182ca99 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -367,7 +367,7 @@ struct sock {
 	unsigned short		sk_ack_backlog;
 	unsigned short		sk_max_ack_backlog;
 	__u32			sk_priority;
-#ifdef CONFIG_CGROUPS
+#if IS_ENABLED(CONFIG_NETPRIO_CGROUP)
 	__u32			sk_cgrp_prioidx;
 #endif
 	struct pid		*sk_peer_pid;
-- 
1.8.0.2

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