From: Christopher Bostic <cbostic-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
To: Julia Lawall <julia.lawall-L2FTfq7BK8M@public.gmane.org>
Cc: joel-U3u1mxZcP9KHXe+LvDLADg@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
andrew-zrmu5oMJ5Fs@public.gmane.org,
alistair-Y4h6yKqj69EXC2x5gXVKYQ@public.gmane.org,
benh-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org,
"Edward A . James"
<eajames-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>,
Jeremy Kerr <jk-mnsaURCQ41sdnm+yROfE0A@public.gmane.org>,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
linux-I+IVW8TIWO2tmTQ+vhA3Yw@public.gmane.org,
rostedt-nx8X9YLhiw1AfugRpC6u6w@public.gmane.org,
mingo-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
kbuild-all-JC7UmRfGjtg@public.gmane.org
Subject: Re: [PATCH v4 19/23] drivers/fsi: Add GPIO based FSI master (fwd)
Date: Tue, 4 Apr 2017 14:10:59 -0500 [thread overview]
Message-ID: <c993bd4c-dea5-a02b-63dd-57a0d548b030@linux.vnet.ibm.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1703302337590.2105@hadrien>
On 3/30/17 4:39 PM, Julia Lawall wrote:
> Is master on line 514 allocated with kmalloc, or the devm call on line
> 522?
Hi Julia,
Its allocated with the devm call on line 522. The kfree on line 514
wouldn't be necessary in that case - will remove.
Thanks for pointing that out.
Chris
> julia
>
> ---------- Forwarded message ----------
> Date: Fri, 31 Mar 2017 00:15:09 +0800
> From: kbuild test robot <fengguang.wu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
> To: kbuild-JC7UmRfGjtg@public.gmane.org
> Cc: Julia Lawall <julia.lawall-L2FTfq7BK8M@public.gmane.org>
> Subject: Re: [PATCH v4 19/23] drivers/fsi: Add GPIO based FSI master
>
> Hi Chris,
>
> [auto build test WARNING on linus/master]
> [also build test WARNING on v4.11-rc4 next-20170330]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url: https://github.com/0day-ci/linux/commits/Christopher-Bostic/FSI-device-driver-implementation/20170330-184914
> :::::: branch date: 5 hours ago
> :::::: commit date: 5 hours ago
>
>>> drivers/fsi/fsi-master-gpio.c:514:1-6: WARNING: invalid free of devm_ allocated data
> git remote add linux-review https://github.com/0day-ci/linux
> git remote update linux-review
> git checkout f4bd3b6a41c7a59e9ce2e65947a4d3dfc2ee4a29
> vim +514 drivers/fsi/fsi-master-gpio.c
>
> f4bd3b6a Chris Bostic 2017-03-29 498 {
> f4bd3b6a Chris Bostic 2017-03-29 499 struct fsi_master_gpio *master = to_fsi_master_gpio(_master);
> f4bd3b6a Chris Bostic 2017-03-29 500
> f4bd3b6a Chris Bostic 2017-03-29 501 if (link != 0)
> f4bd3b6a Chris Bostic 2017-03-29 502 return -ENODEV;
> f4bd3b6a Chris Bostic 2017-03-29 503 if (master->gpio_enable)
> f4bd3b6a Chris Bostic 2017-03-29 504 gpiod_set_value(master->gpio_enable, 1);
> f4bd3b6a Chris Bostic 2017-03-29 505
> f4bd3b6a Chris Bostic 2017-03-29 506 return 0;
> f4bd3b6a Chris Bostic 2017-03-29 507 }
> f4bd3b6a Chris Bostic 2017-03-29 508
> f4bd3b6a Chris Bostic 2017-03-29 509 static void fsi_master_gpio_release(struct device *dev)
> f4bd3b6a Chris Bostic 2017-03-29 510 {
> f4bd3b6a Chris Bostic 2017-03-29 511 struct fsi_master_gpio *master = to_fsi_master_gpio(
> f4bd3b6a Chris Bostic 2017-03-29 512 dev_to_fsi_master(dev));
> f4bd3b6a Chris Bostic 2017-03-29 513
> f4bd3b6a Chris Bostic 2017-03-29 @514 kfree(master);
> f4bd3b6a Chris Bostic 2017-03-29 515 }
> f4bd3b6a Chris Bostic 2017-03-29 516
> f4bd3b6a Chris Bostic 2017-03-29 517 static int fsi_master_gpio_probe(struct platform_device *pdev)
> f4bd3b6a Chris Bostic 2017-03-29 518 {
> f4bd3b6a Chris Bostic 2017-03-29 519 struct fsi_master_gpio *master;
> f4bd3b6a Chris Bostic 2017-03-29 520 struct gpio_desc *gpio;
> f4bd3b6a Chris Bostic 2017-03-29 521
> f4bd3b6a Chris Bostic 2017-03-29 522 master = devm_kzalloc(&pdev->dev, sizeof(*master), GFP_KERNEL);
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
>
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prev parent reply other threads:[~2017-04-04 19:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-30 21:39 [PATCH v4 19/23] drivers/fsi: Add GPIO based FSI master (fwd) Julia Lawall
2017-04-04 19:10 ` Christopher Bostic [this message]
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