diff options
Diffstat (limited to 'source4/lib/module.c')
| -rw-r--r-- | source4/lib/module.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/source4/lib/module.c b/source4/lib/module.c index ffd6a38c77..15f92db59e 100644 --- a/source4/lib/module.c +++ b/source4/lib/module.c @@ -125,9 +125,19 @@ struct subsystem { static struct subsystem *subsystems = NULL; -void register_subsystem(const char *name, register_backend_function callback) +NTSTATUS register_subsystem(const char *name, register_backend_function callback) { struct subsystem *s; + struct subsystem *t = subsystems; + + while(t) { + if(!strcmp(name, t->name)) { + /* its already registered! */ + DEBUG(0,("SUBSYSTEM '%s' for type already registered\n", name)); + return NT_STATUS_OBJECT_NAME_COLLISION; + } + t = t->next; + } s = smb_xmalloc(sizeof(struct subsystem)); @@ -136,6 +146,8 @@ void register_subsystem(const char *name, register_backend_function callback) s->prev = s->next = NULL; DLIST_ADD(subsystems, s); + + return NT_STATUS_OK; } NTSTATUS register_backend(const char *subsystem, void *args) |