Commit-ID: d631097577f6fe027f4903f62eabced6445d19bf Gitweb: http://git.kernel.org/tip/d631097577f6fe027f4903f62eabced6445d19bf Author: Ilya Dryomov <idryomov@xxxxxxxxx> AuthorDate: Mon, 31 Oct 2011 11:07:42 +0200 Committer: Steven Rostedt <rostedt@xxxxxxxxxxx> CommitDate: Mon, 31 Oct 2011 13:59:23 -0400 tracing: fix event_subsystem ref counting Fix a bug introduced by e9dbfae5, which prevents event_subsystem from ever being released. Ref_count was added to keep track of subsystem users, not for counting events. Subsystem is created with ref_count = 1, so there is no need to increment it for every event, we have nr_events for that. Fix this by touching ref_count only when we actually have a new user - subsystem_open(). Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx> Link: http://lkml.kernel.org/r/1320052062-7846-1-git-send-email-idryomov@xxxxxxxxx Signed-off-by: Steven Rostedt <rostedt@xxxxxxxxxxx> --- kernel/trace/trace_events.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 581876f..c212a7f 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -1078,7 +1078,6 @@ event_subsystem_dir(const char *name, struct dentry *d_events) /* First see if we did not already create this dir */ list_for_each_entry(system, &event_subsystems, list) { if (strcmp(system->name, name) == 0) { - __get_system(system); system->nr_events++; return system->entry; } -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html