From: liujing <liujing@cmss.chinamobile.com>
To: shuah@kernel.org
Cc: akpm@linux-foundation.org, adobriyan@gmail.com,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
liujing <liujing@cmss.chinamobile.com>
Subject: [PATCH] Fixed an open function not judging the return value and closed the open function
Date: Mon, 4 Dec 2023 03:05:54 -0500 [thread overview]
Message-ID: <20231204080554.2424-1-liujing@cmss.chinamobile.com> (raw)
Signed-off-by: liujing <liujing@cmss.chinamobile.com>
---
tools/testing/selftests/proc/proc-pid-vm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/testing/selftests/proc/proc-pid-vm.c b/tools/testing/selftests/proc/proc-pid-vm.c
index cacbd2a4aec9..5fc9b46f236f 100644
--- a/tools/testing/selftests/proc/proc-pid-vm.c
+++ b/tools/testing/selftests/proc/proc-pid-vm.c
@@ -205,7 +205,12 @@ static int make_exe(const uint8_t *payload, size_t len)
/* Avoid ETXTBSY on exec. */
snprintf(buf, sizeof(buf), "/proc/self/fd/%u", fd);
fd1 = open(buf, O_RDONLY|O_CLOEXEC);
+ if (fd == -1) {
+ exit(1);
+ }
+
close(fd);
+ close(fd1);
return fd1;
}
--
2.18.2
next reply other threads:[~2023-12-04 8:06 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-04 8:05 liujing [this message]
2023-12-04 19:37 ` Andrew Morton
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20231204080554.2424-1-liujing@cmss.chinamobile.com \
--to=liujing@cmss.chinamobile.com \
--cc=adobriyan@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=shuah@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®