[PATCH perf/core v4 06/19] perf-probe: Let probe_file__add_event return 0 if succeeded

[Masami Hiramatsu]

Since other methods return 0 if succeeded (or filedesc),
let probe_file__add_event() return 0 instead of the length
of written bytes.

Signed-off-by: Masami Hiramatsu <mhira...@kernel.org>
---
 tools/perf/util/probe-file.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index e3b3b92..3fe6214 100644
--- a/tools/perf/util/probe-file.c
+++ b/tools/perf/util/probe-file.c
@@ -220,8 +220,7 @@ int probe_file__add_event(int fd, struct probe_trace_event 
*tev)
 
        pr_debug("Writing event: %s\n", buf);
        if (!probe_event_dry_run) {
-               ret = write(fd, buf, strlen(buf));
-               if (ret <= 0) {
+               if (write(fd, buf, strlen(buf)) < (int)strlen(buf)) {
                        ret = -errno;
                        pr_warning("Failed to write event: %s\n",
                                   strerror_r(errno, sbuf, sizeof(sbuf)));