fio: Eliminate compilation warning in ppc

[fio.git] / stat.c

diff --git a/stat.c b/stat.c
index ca733108a879b772d45186a0600e8439f9f50433..3adb46eab8087cc53ae0fd2b7c15ad048596c040 100644 (file)
--- a/stat.c
+++ b/stat.c
@@ -1272,10 +1272,12 @@ static void __show_run_stats(void)
                        if (!td->error && td->o.continue_on_error &&
                            td->first_error) {
                                ts->error = td->first_error;
-                               strcpy(ts->verror, td->verror);
+                               ts->verror[sizeof(ts->verror) - 1] = '\0';
+                               strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
                        } else  if (td->error) {
                                ts->error = td->error;
-                               strcpy(ts->verror, td->verror);
+                               ts->verror[sizeof(ts->verror) - 1] = '\0';
+                               strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
                        }
                }
 
@@ -1471,7 +1473,12 @@ void show_running_run_stats(void)
        fio_mutex_down(stat_mutex);
 
        if (!pthread_create(&thread, NULL, __show_running_run_stats, NULL)) {
-               pthread_detach(thread);
+               int err;
+
+               err = pthread_detach(thread);
+               if (err)
+                       log_err("fio: DU thread detach failed: %s\n", strerror(err));
+
                return;
        }
 
@@ -1803,7 +1810,11 @@ void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
                if (!delta)
                        continue; /* No entries for interval */
 
-               rate = delta * 1000 / spent / 1024;
+               if (spent)
+                       rate = delta * 1000 / spent / 1024;
+               else
+                       rate = 0;
+
                add_stat_sample(&ts->bw_stat[ddir], rate);
 
                if (td->bw_log)
@@ -1838,7 +1849,11 @@ void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs
                if (!delta)
                        continue; /* No entries for interval */
 
-               iops = (delta * 1000) / spent;
+               if (spent)
+                       iops = (delta * 1000) / spent;
+               else
+                       iops = 0;
+
                add_stat_sample(&ts->iops_stat[ddir], iops);
 
                if (td->iops_log)