[PATCH] tracing: Clean up unused variable 'ret' in trace_events_hist

[Christos Gkekas]

Variable 'ret' in trace_events_hist is unused and should be removed.

Signed-off-by: Christos Gkekas <chris.ge...@gmail.com>
---
 kernel/trace/trace_events_hist.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 1c21d0e..5a590cc 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -1062,7 +1062,7 @@ static void hist_trigger_show(struct seq_file *m,
                              struct event_trigger_data *data, int n)
 {
        struct hist_trigger_data *hist_data;
-       int n_entries, ret = 0;
+       int n_entries;
 
        if (n > 0)
                seq_puts(m, "\n\n");
@@ -1073,10 +1073,7 @@ static void hist_trigger_show(struct seq_file *m,
 
        hist_data = data->private_data;
        n_entries = print_entries(m, hist_data);
-       if (n_entries < 0) {
-               ret = n_entries;
-               n_entries = 0;
-       }
+       n_entries = n_entries < 0 ? 0 : n_entries;
 
        seq_printf(m, "\nTotals:\n    Hits: %llu\n    Entries: %u\n    Dropped: 
%llu\n",
                   (u64)atomic64_read(&hist_data->map->hits),
-- 
2.7.4