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From 1fd2e6ce6a443d20e6a103261860816fa5600591 Mon Sep 17 00:00:00 2001
From: Tom Rini <trini@konsulko.com>
Date: Wed, 20 Dec 2017 09:58:47 -0500
Subject: [PATCH 1/1] utest/utest-common.c: Check return value of write()
Signed-off-by: Tom Rini <trini@konsulko.com>
---
utest/utest-common.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/utest/utest-common.c b/utest/utest-common.c
index 38bd4714bccc..922b4bdc40a9 100644
--- a/utest/utest-common.c
+++ b/utest/utest-common.c
@@ -66,7 +66,7 @@ int intern_trace(const char *format, ...)
struct timespec ts;
static char buffer[4096];
char *p = buffer;
- int n = sizeof(buffer), k;
+ int n = sizeof(buffer), k, ret;
/* ...retrieve value of monotonic clock */
clock_gettime(CLOCK_MONOTONIC, &ts);
@@ -88,12 +88,15 @@ int intern_trace(const char *format, ...)
/* ...output string terminator */
(n > 0 ? *p++ = '\n' : 0);
- write(intern_trace_fd, buffer, p - buffer);
+ ret = write(intern_trace_fd, buffer, p - buffer);
/* ...release tracing lock */
pthread_mutex_unlock(&intern_trace_mutex);
- return 0;
+ if (ret != -1)
+ return 0;
+ else
+ return -1;
}
/* ...tracing facility initialization */
--
2.7.4
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