summaryrefslogtreecommitdiff
path: root/kernel/trace/trace_events_hist.c
diff options
context:
space:
mode:
authorColin Ian King <colin.king@canonical.com>2017-08-23 12:23:09 +0100
committerSteven Rostedt (VMware) <rostedt@goodmis.org>2017-10-04 11:36:55 -0400
commit6e7a2398114a2597a0995f96f44d908741ae5035 (patch)
tree0023f723be8b79fa7e527354bee8942cc96a2f75 /kernel/trace/trace_events_hist.c
parentd8c4deee6dc6876ae3b7d09a5b58138a57ee45f6 (diff)
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>
Diffstat (limited to 'kernel/trace/trace_events_hist.c')
-rw-r--r--kernel/trace/trace_events_hist.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 1c21d0e2a145..f123b5d0c226 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 +1073,8 @@ 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),