Commit 48c74958 authored by Eric W. Biederman's avatar Eric W. Biederman Committed by David S. Miller

net sysctl: Add place holder functions for when sysctl support is compiled out of the kernel.

Randy Dunlap <rdunlap@xenotime.net> 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: default avatarEric W. Biederman <ebiederm@xmission.com>
Acked-by: default avatarRandy Dunlap <rdunlap@xenotime.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 42f11cf2
......@@ -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 */
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