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authorMasami Hiramatsu <mhiramat@kernel.org>2016-04-26 12:03:04 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-04-26 19:14:58 +0300
commit6ed0720a74d90eea51284c07592369d45d56f1f7 (patch)
tree4ce72676282c9453d466b970d9cf7b0eadba8e50
parente1ce726e1db2522b4848b3acffb7ece12439517c (diff)
downloadlinux-6ed0720a74d90eea51284c07592369d45d56f1f7.tar.xz
perf probe: Let probe_file__add_event return 0 if succeeded
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 <mhiramat@kernel.org> Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com> Cc: Hemant Kumar <hemant@linux.vnet.ibm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20160426090303.11891.18232.stgit@devbox Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/util/probe-file.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/tools/perf/util/probe-file.c b/tools/perf/util/probe-file.c
index e3b3b92e4458..3fe6214970e6 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)));