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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@huawei.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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