Commit-ID: af98f2273fd0af31ce327cd1406b67c7be0b6734 Gitweb: https://git.kernel.org/tip/af98f2273fd0af31ce327cd1406b67c7be0b6734 Author: Namhyung Kim <[email protected]> AuthorDate: Tue, 14 Nov 2017 09:15:42 +0900 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Tue, 28 Nov 2017 14:21:18 -0300
perf help: Fix a bug during strstart() conversion The commit 8e99b6d4533c changed prefixcmp() to strstart() but missed to change the return value in some place. It makes perf help print annoying output even for sane config items like below: $ perf help '.root': unsupported man viewer sub key. ... Reported-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Namhyung Kim <[email protected]> Tested-by: Arnaldo Carvalho de Melo <[email protected]> Tested-by: Taeung Song <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Sihyeon Jang <[email protected]> Cc: [email protected] Link: http://lkml.kernel.org/r/20171114001542.GA16464@sejong Fixes: 8e99b6d4533c ("tools include: Adopt strstarts() from the kernel") Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- tools/perf/builtin-help.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c index bd1fede..a0f7ed2 100644 --- a/tools/perf/builtin-help.c +++ b/tools/perf/builtin-help.c @@ -284,7 +284,7 @@ static int perf_help_config(const char *var, const char *value, void *cb) add_man_viewer(value); return 0; } - if (!strstarts(var, "man.")) + if (strstarts(var, "man.")) return add_man_viewer_info(var, value); return 0; @@ -314,7 +314,7 @@ static const char *cmd_to_page(const char *perf_cmd) if (!perf_cmd) return "perf"; - else if (!strstarts(perf_cmd, "perf")) + else if (strstarts(perf_cmd, "perf")) return perf_cmd; return asprintf(&s, "perf-%s", perf_cmd) < 0 ? NULL : s;

