mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Daeseok Youn <daeseok.youn@gmail.com>
To: konrad.wilk@oracle.com
Cc: boris.ostrovsky@oracle.com, david.vrabel@citrix.com,
	joe@perches.com, xen-devel@lists.xenproject.org,
	linux-kernel@vger.kernel.org, JBeulich@suse.com
Subject: [PATCH v2] xen: fix memory leak in __xen_pcibk_add_pci_dev()
Date: Tue, 01 Apr 2014 19:15:59 +0900	[thread overview]
Message-ID: <2172979.BN2CJo57Rq@daeseok-laptop.cloud.net> (raw)


It need to free dev_entry when it failed to assign to a new
slot on the virtual PCI bus.

smatch says:
 drivers/xen/xen-pciback/vpci.c:142 __xen_pcibk_add_pci_dev() warn:
possible memory leak of 'dev_entry'

Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
---
v2: The kfree() invocation is moved outside the locked region.

 drivers/xen/xen-pciback/vpci.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/xen/xen-pciback/vpci.c b/drivers/xen/xen-pciback/vpci.c
index 3165ce3..51afff9 100644
--- a/drivers/xen/xen-pciback/vpci.c
+++ b/drivers/xen/xen-pciback/vpci.c
@@ -137,6 +137,8 @@ unlock:
 	/* Publish this device. */
 	if (!err)
 		err = publish_cb(pdev, 0, 0, PCI_DEVFN(slot, func), devid);
+	else
+		kfree(dev_entry);
 
 out:
 	return err;
-- 
1.7.4.4



             reply	other threads:[~2014-04-01 10:16 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-01 10:15 Daeseok Youn [this message]
2014-04-01 10:48 ` Jan Beulich
2014-04-03 11:55 ` David Vrabel

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=2172979.BN2CJo57Rq@daeseok-laptop.cloud.net \
    --to=daeseok.youn@gmail.com \
    --cc=JBeulich@suse.com \
    --cc=boris.ostrovsky@oracle.com \
    --cc=david.vrabel@citrix.com \
    --cc=joe@perches.com \
    --cc=konrad.wilk@oracle.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=xen-devel@lists.xenproject.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®