From: Jason Gunthorpe <jgg@ziepe.ca>
To: Dennis Dalessandro <dennis.dalessandro@intel.com>
Cc: dledford@redhat.com, linux-rdma@vger.kernel.org,
Mike Marciniszyn <mike.marciniszyn@intel.com>,
stable@vger.kernel.org, Kaike Wan <kaike.wan@intel.com>
Subject: Re: [PATCH for-rc or next 3/3] IB/qib: Call kobject_put() when kobject_init_and_add() fails
Date: Tue, 19 May 2020 21:00:55 -0300 [thread overview]
Message-ID: <20200520000055.GA6205@ziepe.ca> (raw)
In-Reply-To: <20200512031328.189865.48627.stgit@awfm-01.aw.intel.com>
On Mon, May 11, 2020 at 11:13:28PM -0400, Dennis Dalessandro wrote:
> From: Kaike Wan <kaike.wan@intel.com>
>
> When kobject_init_and_add() returns an error in the function
> qib_create_port_files(), the function kobject_put() is not called for
> the corresponding kobject, which potentially leads to memory leak.
>
> This patch fixes the issue by calling kobject_put() even if
> kobject_init_and_add() fails. In addition, the ppd->diagc_kobj is
> released along with other kobjects when the sysfs is unregistered.
>
> Fixes: f931551bafe1 ("IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters")
> Cc: <stable@vger.kernel.org>
> Suggested-by: Lin Yi <teroincn@gmail.com>
> Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
> Signed-off-by: Kaike Wan <kaike.wan@intel.com>
> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
> Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
> ---
> drivers/infiniband/hw/qib/qib_sysfs.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
Applied to for-rc
Are you respinning the other two patches?
Thanks,
Jason
next prev parent reply other threads:[~2020-05-20 0:00 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-12 3:13 [PATCH for-rc or next 0/3] minor hfi and qib fixes Dennis Dalessandro
2020-05-12 3:13 ` [PATCH for-rc or next 1/3] IB/hfi1: Do not destroy hfi1_wq when the device is shut down Dennis Dalessandro
2020-05-12 5:55 ` Leon Romanovsky
2020-05-12 11:52 ` Wan, Kaike
2020-05-13 7:58 ` Leon Romanovsky
2020-05-13 13:31 ` Wan, Kaike
2020-05-20 0:26 ` Jason Gunthorpe
2020-05-20 11:08 ` Wan, Kaike
2020-05-12 3:13 ` [PATCH for-rc or next 2/3] IB/hfi1: Do not destroy link_wq " Dennis Dalessandro
2020-05-12 5:56 ` Leon Romanovsky
2020-05-12 12:12 ` Wan, Kaike
2020-05-12 3:13 ` [PATCH for-rc or next 3/3] IB/qib: Call kobject_put() when kobject_init_and_add() fails Dennis Dalessandro
2020-05-12 6:02 ` Leon Romanovsky
2020-05-20 0:00 ` Jason Gunthorpe [this message]
2020-05-20 13:49 ` Dennis Dalessandro
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=20200520000055.GA6205@ziepe.ca \
--to=jgg@ziepe.ca \
--cc=dennis.dalessandro@intel.com \
--cc=dledford@redhat.com \
--cc=kaike.wan@intel.com \
--cc=linux-rdma@vger.kernel.org \
--cc=mike.marciniszyn@intel.com \
--cc=stable@vger.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;
as well as URLs for NNTP newsgroup(s).