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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-03-12 11:40:15 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-03-12 11:40:15 -0700
commit192c028b6ac972df25fd624f94a94d038fbdb66c (patch)
tree4dd9d13ffd239e4d7c61401f892989742c671fa8 /kernel/trace/trace_events.c
parentea1990c3796e7550e6f240983f2d1b8e5ecf3891 (diff)
parentfa389e220254c69ffae0d403eac4146171062d08 (diff)
Merge 3.14-rc6 into usb-next
We want the USB fixes in here as well.
Diffstat (limited to 'kernel/trace/trace_events.c')
-rw-r--r--kernel/trace/trace_events.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index e71ffd4eccb..f3989ceb5cd 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -1777,6 +1777,16 @@ static void trace_module_add_events(struct module *mod)
{
struct ftrace_event_call **call, **start, **end;
+ if (!mod->num_trace_events)
+ return;
+
+ /* Don't add infrastructure for mods without tracepoints */
+ if (trace_module_has_bad_taint(mod)) {
+ pr_err("%s: module has bad taint, not creating trace events\n",
+ mod->name);
+ return;
+ }
+
start = mod->trace_events;
end = mod->trace_events + mod->num_trace_events;