lkml.org 
[lkml]   [2018]   [Aug]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH v3] pinctrl: berlin: fix 'pctrl->functions' allocation in berlin_pinctrl_build_state
On Wed, Aug 1, 2018 at 7:11 AM YueHaibing <yuehaibing@huawei.com> wrote:

> fixes following Smatch static check warning:
>
> drivers/pinctrl/berlin/berlin.c:237 berlin_pinctrl_build_state()
> warn: passing devm_ allocated variable to kfree. 'pctrl->functions'
>
> As we will be calling krealloc() on pointer 'pctrl->functions', which means
> kfree() will be called in there, devm_kzalloc() shouldn't be used with
> the allocation in the first place. Fix the warning by calling kcalloc()
> and managing the free procedure in error path on our own.
>
> Fixes: 3de68d331c24 ("pinctrl: berlin: add the core pinctrl driver for Marvell Berlin SoCs")
> Signed-off-by: YueHaibing <yuehaibing@huawei.com>
> ---
> v2: free pctrl->functions instead of function as Jisheng Zhang suggested
> v3: v2 I send a wrong patch,this is the correct patch.

Patch applied with Jisheng's ACK!

Yours,
Linus Walleij

\
 
 \ /
  Last update: 2018-08-03 19:30    [W:0.175 / U:0.116 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site