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authorNamhyung Kim <[email protected]>2017-11-14 09:15:42 +0900
committerArnaldo Carvalho de Melo <[email protected]>2017-11-28 14:21:18 -0300
commitaf98f2273fd0af31ce327cd1406b67c7be0b6734 (patch)
tree7e55a23a584cfc78c4ce18eb1ed74535b8a9da0a
parent4a2233b194c77ae1ea8304cb7c00b551de4313f0 (diff)
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]>
-rw-r--r--tools/perf/builtin-help.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/builtin-help.c b/tools/perf/builtin-help.c
index bd1fedef3d1c..a0f7ed2b869b 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;