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| author | Akihiro Nagai <akihiro.nagai.hw@hitachi.com> | 2011-03-23 08:29:39 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-23 10:38:32 +0100 |
| commit | ce2d17ca7f85dcade62cd608601a0d52ccdaf0e6 (patch) | |
| tree | 134a4c4a825ff765eed239df643eed5403a3614d /tools/perf/builtin-top.c | |
| parent | Merge branch 'tip/perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff) | |
| download | linux-ce2d17ca7f85dcade62cd608601a0d52ccdaf0e6.tar.xz linux-ce2d17ca7f85dcade62cd608601a0d52ccdaf0e6.zip | |
perf top: Fix uninitialized 'counter' variable
builtin-top.c has an uninitialized variable.
gcc(version 4.5.1) warns about it and it results in build failure:
builtin-top.c: In function 'display_thread':
builtin-top.c:518:9: error: 'counter' may be used uninitialized
This situation can indeed trigger, if the getline() call in
prompt_integer() fails.
Signed-off-by: Akihiro Nagai <akihiro.nagai.hw@hitachi.com>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20110323072939.11638.50173.stgit@localhost6.localdomain6>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/builtin-top.c')
| -rw-r--r-- | tools/perf/builtin-top.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index 70f1075cc5b0..676b4fb0070f 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -515,7 +515,9 @@ static void handle_keypress(struct perf_session *session, int c) break; case 'E': if (top.evlist->nr_entries > 1) { - int counter; + /* Select 0 as the default event: */ + int counter = 0; + fprintf(stderr, "\nAvailable events:"); list_for_each_entry(top.sym_evsel, &top.evlist->entries, node) |