linux/tools/lib/traceevent
Arnaldo Carvalho de Melo e8c6f437fd tools lib traceevent plugin function: Initialize 'index' variable
Detected with clang:

    CC       /tmp/build/perf/plugin_function.o
  plugin_function.c:145:6: warning: variable 'index' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]
          if (parent && ftrace_indent->set)
              ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
  plugin_function.c:148:29: note: uninitialized use occurs here
          trace_seq_printf(s, "%*s", index*3, "");
                                     ^~~~~
  plugin_function.c:145:2: note: remove the 'if' if its condition is always true
          if (parent && ftrace_indent->set)
          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  plugin_function.c:145:6: warning: variable 'index' is used uninitialized whenever '&&' condition is false [-Wsometimes-uninitialized]
          if (parent && ftrace_indent->set)
              ^~~~~~
  plugin_function.c:148:29: note: uninitialized use occurs here
          trace_seq_printf(s, "%*s", index*3, "");
                                     ^~~~~
  plugin_function.c:145:6: note: remove the '&&' if its condition is always true
          if (parent && ftrace_indent->set)
              ^~~~~~~~~
  plugin_function.c:133:11: note: initialize the variable 'index' to silence this warning
          int index;
                   ^
                    = 0
  2 warnings generated.

Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-b5wyjocel55gorl2jq2cbxrr@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2017-02-13 17:22:33 -03:00
..
.gitignore tools lib traceevent: Ignore generated library files 2016-08-02 12:16:13 -03:00
Build
Makefile tools lib traceevent: Robustify do_generate_dynamic_list_file 2017-02-08 10:27:45 -03:00
event-parse.c tools lib traceevent: Add retrieval of preempt count and latency flags 2016-11-23 10:44:03 -03:00
event-parse.h tools lib traceevent: Add retrieval of preempt count and latency flags 2016-11-23 10:44:03 -03:00
event-plugin.c
event-utils.h
kbuffer-parse.c tools lib traceevent: Initialize lenght on OLD_RING_BUFFER_TYPE_TIME_STAMP 2017-02-13 17:22:32 -03:00
kbuffer.h
parse-filter.c tools lib traceevent: Add filter on task CPU id 2016-07-12 16:27:39 -03:00
parse-utils.c
plugin_cfg80211.c
plugin_function.c tools lib traceevent plugin function: Initialize 'index' variable 2017-02-13 17:22:33 -03:00
plugin_hrtimer.c
plugin_jbd2.c
plugin_kmem.c
plugin_kvm.c
plugin_mac80211.c
plugin_sched_switch.c tools lib traceevent: Fix prev/next_prio for deadline tasks 2017-01-03 16:11:12 -03:00
plugin_scsi.c
plugin_xen.c
trace-seq.c