From: Cheng-Yang Chou <yphbchou0911@gmail.com>
To: williams@redhat.com, jkacur@redhat.com
Cc: linux-rt-users@vger.kernel.org, jserv@ccns.ncku.edu.tw,
yphbchou0911@gmail.com
Subject: [PATCH 2/8] pmqtest.c: Suppress warning
Date: Sat, 12 Jul 2025 21:42:07 +0800 [thread overview]
Message-ID: <20250712134213.58582-3-yphbchou0911@gmail.com> (raw)
In-Reply-To: <20250712134213.58582-1-yphbchou0911@gmail.com>
Signed-off-by: Cheng-Yang Chou <yphbchou0911@gmail.com>
---
src/pmqtest/pmqtest.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/pmqtest/pmqtest.c b/src/pmqtest/pmqtest.c
index 04e36a1..eb20baa 100644
--- a/src/pmqtest/pmqtest.c
+++ b/src/pmqtest/pmqtest.c
@@ -75,6 +75,7 @@ void *pmqthread(void *param)
int policy = SCHED_FIFO;
struct sched_param schedp;
struct timespec ts;
+ int ret;
memset(&schedp, 0, sizeof(schedp));
schedp.sched_priority = par->priority;
@@ -189,7 +190,10 @@ void *pmqthread(void *param)
int tracing_enabled =
open(tracing_enabled_file, O_WRONLY);
if (tracing_enabled >= 0) {
- write(tracing_enabled, "0", 1);
+ ret = write(tracing_enabled, "0", 1);
+ if (ret < 0)
+ fatal("Could not write to %s: %s\n",
+ tracing_enabled_file, strerror(errno));
close(tracing_enabled);
} else
fatal("Could not access %s\n", tracing_enabled_file);
--
2.48.1
next prev parent reply other threads:[~2025-07-12 13:42 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-12 13:42 [PATCH 0/8] Fix -Wunused-result warnings by checking return values Cheng-Yang Chou
2025-07-12 13:42 ` [PATCH 1/8] rt-utils.c: Suppress warning Cheng-Yang Chou
2025-07-25 18:04 ` John Kacur
2025-07-12 13:42 ` Cheng-Yang Chou [this message]
2025-07-25 18:07 ` [PATCH 2/8] pmqtest.c: " John Kacur
2025-07-12 13:42 ` [PATCH 3/8] ptsematest.c: " Cheng-Yang Chou
2025-07-25 18:09 ` John Kacur
2025-07-12 13:42 ` [PATCH 4/8] rt-migrate-test.c: " Cheng-Yang Chou
2025-07-25 18:10 ` John Kacur
2025-07-12 13:42 ` [PATCH 5/8] cyclicdeadline.c: " Cheng-Yang Chou
2025-07-12 13:42 ` [PATCH 6/8] deadline_test.c: " Cheng-Yang Chou
2025-07-12 13:42 ` [PATCH 7/8] sigwaittest.c: " Cheng-Yang Chou
2025-07-12 13:42 ` [PATCH 8/8] svsematest.c: " Cheng-Yang Chou
2025-07-25 18:16 ` [PATCH 0/8] Fix -Wunused-result warnings by checking return values John Kacur
2025-07-25 18:20 ` Cheng-Yang Chou
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