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Date:   Tue, 24 Nov 2020 08:46:07 +0100
From:   Sascha Hauer <s.hauer@...gutronix.de>
To:     Wang ShaoBo <bobo.shaobowang@...wei.com>
Cc:     richard@....at, herbert@...dor.apana.org.au,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        huawei.libin@...wei.com, cj.chengjian@...wei.com
Subject: Re: [PATCH] ubifs: Fix error return code in
 ubifs_init_authentication()

On Tue, Nov 24, 2020 at 02:33:20PM +0800, Wang ShaoBo wrote:
> Fix to return PTR_ERR() error code from the error handling case where
> ubifs_hash_get_desc() failed instead of 0 in ubifs_init_authentication(),
> as done elsewhere in this function.
> 
> Fixes: 49525e5eecca5 ("ubifs: Add helper functions for authentication support")
> Signed-off-by: Wang ShaoBo <bobo.shaobowang@...wei.com>
> ---
>  fs/ubifs/auth.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Reviewed-by: Sascha Hauer <s.hauer@...gutronix.de>

Sascha

> 
> diff --git a/fs/ubifs/auth.c b/fs/ubifs/auth.c
> index b93b3cd10bfd..8c50de693e1d 100644
> --- a/fs/ubifs/auth.c
> +++ b/fs/ubifs/auth.c
> @@ -338,8 +338,10 @@ int ubifs_init_authentication(struct ubifs_info *c)
>  	c->authenticated = true;
>  
>  	c->log_hash = ubifs_hash_get_desc(c);
> -	if (IS_ERR(c->log_hash))
> +	if (IS_ERR(c->log_hash)) {
> +		err = PTR_ERR(c->log_hash);
>  		goto out_free_hmac;
> +	}
>  
>  	err = 0;
>  
> -- 
> 2.17.1
> 
> 

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