(2013/12/23 15:17), Namhyung Kim wrote:
> Hi Masami,
>
> On Fri, 20 Dec 2013 10:02:57 +0000, Masami Hiramatsu wrote:
>> Expand given path to absolute path in option parser,
>> except for a module name. Instead of expanding it later,
>> this get the absolute path in early stage.
>>
>> Signed-off-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com>
>> ---
>> tools/perf/builtin-probe.c | 9 +++++++++
>> tools/perf/util/probe-event.c | 11 ++---------
>> 2 files changed, 11 insertions(+), 9 deletions(-)
>>
>> diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
>> index 6ea9e85..b40d064 100644
>> --- a/tools/perf/builtin-probe.c
>> +++ b/tools/perf/builtin-probe.c
>> @@ -180,6 +180,15 @@ static int opt_set_target(const struct option *opt,
>> const char *str,
>> else
>> return ret;
>>
>> + /* Expand given path to absolute path, except for modulename */
>> + if (params.uprobes || strchr(str, '/')) {
>> + str = realpath(str, NULL);
>> + if (!str) {
>> + pr_warning("Failed to find the path of %s.\n",
>> + str);
>
> It won't print the path since the str already was overwritten to NULL.
Oops ...
>> + return ret;
>> + }
>> + }
>> params.target = str;
>
> It now points either a dynamically allocated string or not..
Ah, right. OK, I'll use strdup for such case.
Thank you!
--
Masami HIRAMATSU
IT Management Research Dept. Linux Technology Center
Hitachi, Ltd., Yokohama Research Laboratory
E-mail: masami.hiramatsu...@hitachi.com
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
