[PATCH 1/8] rt-utils.c: Suppress warning

[Cheng-Yang Chou <yphbchou0911@gmail.com>]

Signed-off-by: Cheng-Yang Chou <yphbchou0911@gmail.com>
---
 src/lib/rt-utils.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/lib/rt-utils.c b/src/lib/rt-utils.c
index 6bbd25a..18e515f 100644
--- a/src/lib/rt-utils.c
+++ b/src/lib/rt-utils.c
@@ -465,6 +465,7 @@ void tracemark(char *fmt, ...)
 {
 	va_list ap;
 	int len;
+	int ret;
 
 	/* bail out if we're not tracing */
 	/* or if the kernel doesn't support trace_mark */
@@ -476,10 +477,14 @@ void tracemark(char *fmt, ...)
 	va_end(ap);
 
 	/* write the tracemark message */
-	write(tracemark_fd, tracebuf, len);
+	ret = write(tracemark_fd, tracebuf, len);
+	if (ret != len)
+		warn("tracemark write failed");
 
 	/* now stop any trace */
-	write(trace_fd, "0\n", 2);
+	ret = write(trace_fd, "0\n", 2);
+	if (ret != 2)
+		warn("trace stop write failed");
 }
 
 void enable_trace_mark(void)
-- 
2.48.1