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tracing: Remove redundant unread variable ret 

Integer ret is being assigned but never used and hence it is
redundant. Remove it, fixes clang warning:

trace_events_hist.c:1077:3: warning: Value stored to 'ret' is never read

Link: http://lkml.kernel.org/r/20170823112309.19383-1-colin.king@canonical.com

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Colin Ian King 2017-08-23 12:23:09 +01:00 committed by Steven Rostedt (VMware)
parent d8c4deee6d
commit 6e7a239811
1 changed files with 2 additions and 4 deletions
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6
kernel/trace/trace_events_hist.c
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@ -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 +1073,8 @@ 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;
if (n_entries < 0)
n_entries = 0;
}
seq_printf(m, "\nTotals:\n Hits: %llu\n Entries: %u\n Dropped: %llu\n",
(u64)atomic64_read(&hist_data->map->hits),