From: Miaoqian Lin <linmq006@gmail.com>
To: Richard Weinberger <richard@nod.at>,
Anton Ivanov <anton.ivanov@cambridgegreys.com>,
Johannes Berg <johannes@sipsolutions.net>,
Miaoqian Lin <linmq006@gmail.com>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
linux-um@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH v2] um: vector: Fix memory leak in vector_config
Date: Wed, 4 Jan 2023 12:14:05 +0400 [thread overview]
Message-ID: <20230104081408.4074275-1-linmq006@gmail.com> (raw)
kstrdup() return newly allocated copy of the string.
Call kfree() to release the memory when uml_parse_vector_ifspec() fails.
Fixes: 49da7e64f33e ("High Performance UML Vector Network Driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
changes in v2:
- only call kfree() when uml_parse_vector_ifspec() fails.
---
arch/um/drivers/vector_kern.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/um/drivers/vector_kern.c b/arch/um/drivers/vector_kern.c
index ded7c47d2fbe..131b7cb29576 100644
--- a/arch/um/drivers/vector_kern.c
+++ b/arch/um/drivers/vector_kern.c
@@ -767,6 +767,7 @@ static int vector_config(char *str, char **error_out)
if (parsed == NULL) {
*error_out = "vector_config failed to parse parameters";
+ kfree(params);
return -EINVAL;
}
--
2.25.1
_______________________________________________
linux-um mailing list
linux-um@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-um
next reply other threads:[~2023-01-04 8:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-04 8:14 Miaoqian Lin [this message]
2023-01-04 8:29 ` [PATCH v2] um: vector: Fix memory leak in vector_config Anton Ivanov
2023-01-04 10:17 ` Geert Uytterhoeven
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=20230104081408.4074275-1-linmq006@gmail.com \
--to=linmq006@gmail.com \
--cc=anton.ivanov@cambridgegreys.com \
--cc=davem@davemloft.net \
--cc=johannes@sipsolutions.net \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-um@lists.infradead.org \
--cc=richard@nod.at \
--cc=wsa+renesas@sang-engineering.com \
/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;
as well as URLs for NNTP newsgroup(s).