From 48c74958571b609522c016136259a1369a3ddd24 Mon Sep 17 00:00:00 2001 From: "Eric W. Biederman" Date: Mon, 23 Apr 2012 12:13:02 +0000 Subject: net sysctl: Add place holder functions for when sysctl support is compiled out of the kernel. Randy Dunlap 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 Acked-by: Randy Dunlap Signed-off-by: David S. Miller --- include/net/net_namespace.h | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 3ee4a3da7168..ac9195e6a062 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 */ -- cgit v1.2.3