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tracing/events: Only define remove_subsystem_dir() if CONFIG_MODULES

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If we disable modules, we get the following warning in ftrace events
file:

kernel/trace/trace_events.c:912: attention : ‘remove_subsystem_dir’ defined but not used

remove_subystem_dir() is useless if !CONFIG_MODULES, then move it to
the appropriate #ifdef section of trace_events.c

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Frederic Weisbecker 2009-08-06 07:32:21 +02:00
parent 1a0799a8fe
commit a2ca5e03b6
1 changed files with 26 additions and 26 deletions
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52
kernel/trace/trace_events.c
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@ -908,32 +908,6 @@ event_subsystem_dir(const char *name, struct dentry *d_events)
return system->entry;
}
static void remove_subsystem_dir(const char *name)
{
struct event_subsystem *system;
if (strcmp(name, TRACE_SYSTEM) == 0)
return;
list_for_each_entry(system, &event_subsystems, list) {
if (strcmp(system->name, name) == 0) {
if (!--system->nr_events) {
struct event_filter *filter = system->filter;
debugfs_remove_recursive(system->entry);
list_del(&system->list);
if (filter) {
kfree(filter->filter_string);
kfree(filter);
}
kfree(system->name);
kfree(system);
}
break;
}
}
}
static int
event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
const struct file_operations *id,
@ -1018,6 +992,32 @@ struct ftrace_module_file_ops {
struct file_operations filter;
};
static void remove_subsystem_dir(const char *name)
{
struct event_subsystem *system;
if (strcmp(name, TRACE_SYSTEM) == 0)
return;
list_for_each_entry(system, &event_subsystems, list) {
if (strcmp(system->name, name) == 0) {
if (!--system->nr_events) {
struct event_filter *filter = system->filter;
debugfs_remove_recursive(system->entry);
list_del(&system->list);
if (filter) {
kfree(filter->filter_string);
kfree(filter);
}
kfree(system->name);
kfree(system);
}
break;
}
}
}
static struct ftrace_module_file_ops *
trace_create_file_ops(struct module *mod)
{