RE: [PATCH v2 3/3] kobject: Use return value of strreplace()

From: David Laight
Date: Sun Mar 26 2023 - 09:37:46 EST


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@xxxxxxxxxxxxxxx>
> ---
> 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

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