Merge tag 'regmap-fix-v5.0-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git...
[sfrench/cifs-2.6.git] / tools / perf / builtin-stat.c
index 1410d66192f77599f6b55fa3e57ec0b63028b2bb..63a3afc7f32b6d20bbdbe49d69ec1b37f0c71afc 100644 (file)
@@ -561,7 +561,8 @@ try_again:
                                        break;
                        }
                }
-               wait4(child_pid, &status, 0, &stat_config.ru_data);
+               if (child_pid != -1)
+                       wait4(child_pid, &status, 0, &stat_config.ru_data);
 
                if (workload_exec_errno) {
                        const char *emsg = str_error_r(workload_exec_errno, msg, sizeof(msg));