linux-kernel - Re: [PATCH v1 2/4] driver core: Replace kstrdup() + strreplace() with kstrdup_and

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Date:   Fri, 4 Aug 2023 16:10:01 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Saravana Kannan <saravanak@...gle.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        Tony Lindgren <tony@...mide.com>, linux-kernel@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-omap@...r.kernel.org,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Prashant Gaikwad <pgaikwad@...dia.com>,
        Michael Turquette <mturquette@...libre.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Tero Kristo <kristo@...nel.org>,
        Andy Shevchenko <andy@...nel.org>
Subject: Re: [PATCH v1 2/4] driver core: Replace kstrdup() + strreplace()
 with kstrdup_and_replace()

On Wed, Jun 28, 2023 at 06:32:09PM +0300, Andy Shevchenko wrote:
> Replace open coded functionalify of kstrdup_and_replace() with a call.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/base/core.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/base/core.c b/drivers/base/core.c
> index 3dff5037943e..af0ee691520a 100644
> --- a/drivers/base/core.c
> +++ b/drivers/base/core.c
> @@ -17,7 +17,6 @@
>  #include <linux/kstrtox.h>
>  #include <linux/module.h>
>  #include <linux/slab.h>
> -#include <linux/string.h>
>  #include <linux/kdev_t.h>
>  #include <linux/notifier.h>
>  #include <linux/of.h>
> @@ -28,6 +27,7 @@
>  #include <linux/netdevice.h>
>  #include <linux/sched/signal.h>
>  #include <linux/sched/mm.h>
> +#include <linux/string_helpers.h>
>  #include <linux/swiotlb.h>
>  #include <linux/sysfs.h>
>  #include <linux/dma-map-ops.h> /* for dma_default_coherent */
> @@ -3910,10 +3910,9 @@ const char *device_get_devnode(const struct device *dev,
>  		return dev_name(dev);
>  
>  	/* replace '!' in the name with '/' */
> -	s = kstrdup(dev_name(dev), GFP_KERNEL);
> +	s = kstrdup_and_replace(dev_name(dev), '!', '/', GFP_KERNEL);
>  	if (!s)
>  		return NULL;
> -	strreplace(s, '!', '/');
>  	return *tmp = s;
>  }
>  
> -- 
> 2.40.0.1.gaa8946217a0b
> 

Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>