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From: David Laight <David.Laight@ACULAB.COM>
To: 'Andy Shevchenko' <andriy.shevchenko@linux.intel.com>,
	Kees Cook <keescook@chromium.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Cezary Rojewski <cezary.rojewski@intel.com>,
	"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: Theodore Ts'o <tytso@mit.edu>, Jan Kara <jack@suse.com>,
	Andy Shevchenko <andy@kernel.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>
Subject: RE: [PATCH v2 3/3] kobject: Use return value of strreplace()
Date: Sun, 26 Mar 2023 13:37:37 +0000	[thread overview]
Message-ID: <55ddb6da555a408da801f56577845a09@AcuMS.aculab.com> (raw)
In-Reply-To: <20230323123704.37983-4-andriy.shevchenko@linux.intel.com>

From: Andy Shevchenko
> Sent: 23 March 2023 12:37
>
> Since strreplace() returns the pointer to the string itself,
> we may use it directly in the code.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  lib/kobject.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/lib/kobject.c b/lib/kobject.c
> index f79a434e1231..16d530f9c174 100644
> --- a/lib/kobject.c
> +++ b/lib/kobject.c
> @@ -281,8 +281,7 @@ int kobject_set_name_vargs(struct kobject *kobj, const char *fmt,
>  		kfree_const(s);
>  		if (!t)
>  			return -ENOMEM;
> -		strreplace(t, '/', '!');
> -		s = t;
> +		s = strreplace(t, '/', '!');

Why do this? It just makes the code harder to read because
you have to know another 'silly fact' about a function.

Possibly useful return values might be:
1) The address of the first changed character.
2) The address of the last changed characher.
3) The '\0' terminator.
4) void.

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)


  reply	other threads:[~2023-03-26 13:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-23 12:37 [PATCH v2 0/3] lib/string_helpers et al.: Change return value of strreplace() Andy Shevchenko
2023-03-23 12:37 ` [PATCH v2 1/3] jbd2: Avoid printing outside the boundary of the buffer Andy Shevchenko
2023-03-23 12:37 ` [PATCH v2 2/3] lib/string_helpers: Change returned value of the strreplace() Andy Shevchenko
2023-03-23 12:37 ` [PATCH v2 3/3] kobject: Use return value of strreplace() Andy Shevchenko
2023-03-26 13:37   ` David Laight [this message]
2023-04-05 13:34 ` [PATCH v2 0/3] lib/string_helpers et al.: Change " Andy Shevchenko
2023-04-05 14:24   ` Greg Kroah-Hartman
2023-04-05 14:38     ` Andy Shevchenko
2023-04-06  2:58       ` Kees Cook
2023-06-05 14:04         ` Andy Shevchenko
2023-06-05 16:57           ` Greg Kroah-Hartman
2023-06-05 17:06             ` Andy Shevchenko

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