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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-05-13 08:19:37 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-05-13 08:19:37 +0200
commit991919e969043a4422dfebbcadf600a5d28b94e4 (patch)
tree4776f9f162c665a9735198fafc466d3e49a14253 /kernel/trace/trace_output.c
parent73ed6faed58e5611abfb54c2f703eec091781d63 (diff)
parent82f2b0b97b36ee3fcddf0f0780a9a0825d52fec3 (diff)
Merge 6.15-rc6 into char-misc-next
We need the iio/hyperv fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/trace/trace_output.c')
-rw-r--r--kernel/trace/trace_output.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index fee40ffbd490..b9ab06c99543 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -1042,11 +1042,12 @@ enum print_line_t print_event_fields(struct trace_iterator *iter,
struct trace_event_call *call;
struct list_head *head;
+ lockdep_assert_held_read(&trace_event_sem);
+
/* ftrace defined events have separate call structures */
if (event->type <= __TRACE_LAST_TYPE) {
bool found = false;
- down_read(&trace_event_sem);
list_for_each_entry(call, &ftrace_events, list) {
if (call->event.type == event->type) {
found = true;
@@ -1056,7 +1057,6 @@ enum print_line_t print_event_fields(struct trace_iterator *iter,
if (call->event.type > __TRACE_LAST_TYPE)
break;
}
- up_read(&trace_event_sem);
if (!found) {
trace_seq_printf(&iter->seq, "UNKNOWN TYPE %d\n", event->type);
goto out;