[PATCH v2 2/2] ALSA: core: Remove redundant 'err' variable

tangmeng tangmeng at uniontech.com
Mon Feb 28 06:05:43 CET 2022



On 2022/2/28 12:21, Joe Perches wrote:

> 
> Perhaps clearer would be to make the typical return the last statement,
> return early and reduce the indentation too.
> 
> i.e.:
> 
> ---
>   sound/sound_core.c | 24 +++++++++++-------------
>   1 file changed, 11 insertions(+), 13 deletions(-)
> 
> diff --git a/sound/sound_core.c b/sound/sound_core.c
> index 90d118cd91641..9f2cd6d91a034 100644
> --- a/sound/sound_core.c
> +++ b/sound/sound_core.c
> @@ -581,22 +581,20 @@ static int soundcore_open(struct inode *inode, struct file *file)
>   			new_fops = fops_get(s->unit_fops);
>   	}
>   	spin_unlock(&sound_loader_lock);
> -	if (new_fops) {
> -		/*
> -		 * We rely upon the fact that we can't be unloaded while the
> -		 * subdriver is there.
> -		 */
> -		int err = 0;
> -		replace_fops(file, new_fops);
> +	if (!new_fops)
> +		return -ENODEV;
>   
> -		if (file->f_op->open)
> -			err = file->f_op->open(inode,file);
> +	/*
> +	 * We rely upon the fact that we can't be unloaded while the
> +	 * subdriver is there.
> +	 */
> +	replace_fops(file, new_fops);
>   
> -		return err;
> -	}
> -	return -ENODEV;
> -}
> +	if (!file->f_op->open)
> +		return -ENODEV;
>   
> +	return file->f_op->open(inode,file);
> +}
>   MODULE_ALIAS_CHARDEV_MAJOR(SOUND_MAJOR);
>   
>   static void cleanup_oss_soundcore(void)
> 
> 
> 
Thanks, I  re-submit it according to your suggestions, and add you to 
the Signed-off-by list.





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