linux-ext4 - Re: [PATCH] ext4: fix error handling in ext4_fill

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Date:	Mon, 8 Oct 2012 14:25:38 +0200 (CEST)
From:	Lukáš Czerner <lczerner@...hat.com>
To:	Eugene Shatokhin <eugene.shatokhin@...alab.ru>
cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] ext4: fix error handling in ext4_fill_super()

On Mon, 8 Oct 2012, Eugene Shatokhin wrote:

> Date: Mon,  8 Oct 2012 15:09:42 +0400
> From: Eugene Shatokhin <eugene.shatokhin@...alab.ru>
> To: linux-ext4@...r.kernel.org
> Cc: Eugene Shatokhin <eugene.shatokhin@...alab.ru>
> Subject: [PATCH] ext4: fix error handling in ext4_fill_super()
> 
> If ext4_mb_init() returns error (e.g. if there is not enough memory),
> ext4_fill_super() returns 0 rather than the error code.
> 
> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=48431
> 
> The patch fixes that problem.

Unfortunately there are other places with this problem as well.
I'll send you a different patch to address this problem, let me know
what do you think.

Thanks!
-Lukas

> 
> Signed-off-by: Eugene Shatokhin <eugene.shatokhin@...alab.ru>
> ---
>  fs/ext4/super.c |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 982f6fc..7292532 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -3982,6 +3982,7 @@ no_journal:
>  	if (err) {
>  		ext4_msg(sb, KERN_ERR, "failed to initialize mballoc (%d)",
>  			 err);
> +		ret = err;
>  		goto failed_mount5;
>  	}
>  
> 
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