Messages in this thread Patch in this message | | | From | Baokun Li <> | Subject | [PATCH -next] tracing: Remove set but not used variable 'ret' | Date | Thu, 27 May 2021 17:10:32 +0800 |
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Fixes gcc '-Wunused-but-set-variable' warning:
kernel/trace/trace_events_hist.c: In function 'unregister_field_var_hists': kernel/trace/trace_events_hist.c:5228:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
It never used since introduction.
Signed-off-by: Baokun Li <libaokun1@huawei.com> --- kernel/trace/trace_events_hist.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index c1abd63f1d6c..af4da32f7eab 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -5225,13 +5225,12 @@ static void unregister_field_var_hists(struct hist_trigger_data *hist_data) struct trace_event_file *file; unsigned int i; char *cmd; - int ret; for (i = 0; i < hist_data->n_field_var_hists; i++) { file = hist_data->field_var_hists[i]->hist_data->event_file; cmd = hist_data->field_var_hists[i]->cmd; - ret = event_hist_trigger_func(&trigger_hist_cmd, file, - "!hist", "hist", cmd); + event_hist_trigger_func(&trigger_hist_cmd, file, + "!hist", "hist", cmd); } } -- 2.25.4
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