qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: Jiajun Chen <chenjiajun8@huawei.com>
To: <groug@kaod.org>
Cc: qemu-devel@nongnu.org, xiexiangyou@huawei.com
Subject: [PATCH] 9pfs: local: Fix possible memory leak in local_link()
Date: Fri, 20 Dec 2019 17:49:34 +0800	[thread overview]
Message-ID: <20191220094934.21232-1-chenjiajun8@huawei.com> (raw)

There is a possible memory leak while local_link return -1 without free
odirpath and oname.

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Jaijun Chen <chenjiajun8@huawei.com>
Signed-off-by: Xiang Zheng <zhengxiang9@huawei.com>
---
 hw/9pfs/9p-local.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
index 4708c0bd89..491b08aee8 100644
--- a/hw/9pfs/9p-local.c
+++ b/hw/9pfs/9p-local.c
@@ -947,7 +947,7 @@ static int local_link(FsContext *ctx, V9fsPath *oldpath,
     if (ctx->export_flags & V9FS_SM_MAPPED_FILE &&
         local_is_mapped_file_metadata(ctx, name)) {
         errno = EINVAL;
-        return -1;
+        goto out;
     }
 
     odirfd = local_opendir_nofollow(ctx, odirpath);
-- 
2.21.0.windows.1




             reply	other threads:[~2019-12-20 14:13 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-20  9:49 Jiajun Chen [this message]
2019-12-20 14:42 ` [PATCH] 9pfs: local: Fix possible memory leak in local_link() Christian Schoenebeck
2019-12-23 10:59 ` Greg Kurz
2020-01-06 11:07   ` Philippe Mathieu-Daudé

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=20191220094934.21232-1-chenjiajun8@huawei.com \
    --to=chenjiajun8@huawei.com \
    --cc=groug@kaod.org \
    --cc=qemu-devel@nongnu.org \
    --cc=xiexiangyou@huawei.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).