linux-kernel - Re: [PATCH 2/2] staging/erofs: Balanced braces around a few conditional statements.

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Date:   Tue, 20 Aug 2019 19:26:46 -0700
From:   Joe Perches <joe@...ches.com>
To:     Caitlyn <caitlynannefinn@...il.com>,
        Gao Xiang <gaoxiang25@...wei.com>,
        Chao Yu <yuchao0@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     "Tobin C . Harding" <me@...in.cc>, linux-erofs@...ts.ozlabs.org,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] staging/erofs: Balanced braces around a few
 conditional statements.

On Tue, 2019-08-20 at 20:18 -0400, Caitlyn wrote:
> Balanced braces to fix some checkpath warnings in inode.c and
> unzip_vle.c
[]
> diff --git a/drivers/staging/erofs/unzip_vle.c b/drivers/staging/erofs/unzip_vle.c
[]
> @@ -915,21 +915,21 @@ static int z_erofs_vle_unzip(struct super_block *sb,
>  	mutex_lock(&work->lock);
>  	nr_pages = work->nr_pages;
>  
> -	if (likely(nr_pages <= Z_EROFS_VLE_VMAP_ONSTACK_PAGES))
> +	if (likely(nr_pages <= Z_EROFS_VLE_VMAP_ONSTACK_PAGES)) {
>  		pages = pages_onstack;
> -	else if (nr_pages <= Z_EROFS_VLE_VMAP_GLOBAL_PAGES &&
> -		 mutex_trylock(&z_pagemap_global_lock))
> +	} else if (nr_pages <= Z_EROFS_VLE_VMAP_GLOBAL_PAGES &&
> +		 mutex_trylock(&z_pagemap_global_lock)) {

Extra space after tab

>  		pages = z_pagemap_global;
> -	else {
> +	} else {
>  repeat:
>  		pages = kvmalloc_array(nr_pages, sizeof(struct page *),
>  				       GFP_KERNEL);
>  
>  		/* fallback to global pagemap for the lowmem scenario */
>  		if (unlikely(!pages)) {
> -			if (nr_pages > Z_EROFS_VLE_VMAP_GLOBAL_PAGES)
> +			if (nr_pages > Z_EROFS_VLE_VMAP_GLOBAL_PAGES) {
>  				goto repeat;
> -			else {
> +			} else {

Unnecessary else

>  				mutex_lock(&z_pagemap_global_lock);
>  				pages = z_pagemap_global;
>  			}