[PATCH v1 1/5] cgroup: Use empty task_cls_classid() when !CONFIG_NET_CLS(_MODULE)

[Daniel Wagner <wagi@xxxxxxxxx>]

From: Daniel Wagner <daniel.wagner@xxxxxxxxxxxx>

Signed-off-by: Daniel Wagner <daniel.wagner@xxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: Gao feng <gaofeng@xxxxxxxxxxxxxx>
Cc: Jamal Hadi Salim <jhs@xxxxxxxxxxxx>
Cc: John Fastabend <john.r.fastabend@xxxxxxxxx>
Cc: Li Zefan <lizefan@xxxxxxxxxx>
Cc: Neil Horman <nhorman@xxxxxxxxxxxxx>
Cc: Tejun Heo <tj@xxxxxxxxxx>
Cc: netdev@xxxxxxxxxxxxxxx
Cc: cgroups@xxxxxxxxxxxxxxx
---
 include/net/cls_cgroup.h | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/include/net/cls_cgroup.h b/include/net/cls_cgroup.h
index a4dc5b0..e2fe2b9 100644
--- a/include/net/cls_cgroup.h
+++ b/include/net/cls_cgroup.h
@@ -24,7 +24,8 @@ struct cgroup_cls_state
 	u32 classid;
 };
 
-#ifdef CONFIG_NET_CLS_CGROUP
+#if IS_BUILTIN(CONFIG_NET_CLS_CGROUP)
+
 static inline u32 task_cls_classid(struct task_struct *p)
 {
 	int classid;
@@ -39,7 +40,9 @@ static inline u32 task_cls_classid(struct task_struct *p)
 
 	return classid;
 }
-#else
+
+#elif IS_MODULE(CONFIG_NET_CLS_CGROUP)
+
 extern int net_cls_subsys_id;
 
 static inline u32 task_cls_classid(struct task_struct *p)
@@ -60,11 +63,16 @@ static inline u32 task_cls_classid(struct task_struct *p)
 
 	return classid;
 }
-#endif
+
 #else
+
 static inline u32 task_cls_classid(struct task_struct *p)
 {
 	return 0;
 }
-#endif
+
+#endif /* CONFIG_NET_CLS_CGROUP */
+
+#endif /* CONFIG_CGROURPS */
+
 #endif  /* _NET_CLS_CGROUP_H */
-- 
1.7.12.rc1.16.g05a20c8

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