Randy Dunlap <rdunlap@xxxxxxxxxxxx> reported:
> On 04/23/2012 12:07 AM, Stephen Rothwell wrote:
>
>> Hi all,
>>
>> Changes since 20120420:
>
>
>
> ERROR: "unregister_net_sysctl_table" [net/phonet/phonet.ko] undefined!
> ERROR: "register_net_sysctl" [net/phonet/phonet.ko] undefined!
>
> when CONFIG_SYSCTL is not enabled.
Add static inline stub functions to gracefully handle the case when sysctl
support is not present.
Signed-off-by: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
---
include/net/net_namespace.h | 15 ++++++++++++---
1 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 3ee4a3d..ac9195e 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -284,11 +284,20 @@ struct ctl_table_header;
#ifdef CONFIG_SYSCTL
extern int net_sysctl_init(void);
-#else
-static inline int net_sysctl_init(void) { return 0; }
-#endif
extern struct ctl_table_header *register_net_sysctl(struct net *net,
const char *path, struct ctl_table *table);
extern void unregister_net_sysctl_table(struct ctl_table_header *header);
+#else
+static inline int net_sysctl_init(void) { return 0; }
+static inline struct ctl_table_header *register_net_sysctl(struct net *net,
+ const char *path, struct ctl_table *table)
+{
+ return NULL;
+}
+static inline void unregister_net_sysctl_table(struct ctl_table_header *header)
+{
+}
+#endif
+
#endif /* __NET_NET_NAMESPACE_H */
--
1.7.2.5
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