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-rw-r--r--kernel/trace/trace_events_hist.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 9555b8e1d1e3..319f9c8ca7e7 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -3757,7 +3757,7 @@ static int check_synth_field(struct synth_event *event,
if (strcmp(field->type, hist_field->type) != 0) {
if (field->size != hist_field->size ||
- field->is_signed != hist_field->is_signed)
+ (!field->is_string && field->is_signed != hist_field->is_signed))
return -EINVAL;
}