Commit ce928344 authored Jul 29, 2016 by Arnaldo Carvalho de Melo

perf target: str_error_r() always returns the buffer it receives

So no need for checking if it uses the strerror_r() GNU variant error
reporting mechanism, i.e. if it returns a pointer to a immutable string
internal to glibc.

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>
Fixes: c8b5f2c9 ("tools: Introduce str_error_r()")
Link: http://lkml.kernel.org/n/tip-xr83cd4y4r3cn6tq6w4f59jb@git.kernel.org


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

parent 9955d0be

tools/perf/util/target.c

+1 −5

Original line number	Diff line number	Diff line
		@@ -122,11 +122,7 @@ int target__strerror(struct target *target, int errnum,
		BUG_ON(buflen == 0);

		if (errnum >= 0) {
		const char *err = str_error_r(errnum, buf, buflen);

		if (err != buf)
		scnprintf(buf, buflen, "%s", err);

		str_error_r(errnum, buf, buflen);
		return 0;
		}