linux-kernel - Re: [PATCH 04/16] udf: check if udf_load

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Date:	Fri, 11 Jan 2008 00:04:20 +0100
From:	Jan Kara <jack@...e.cz>
To:	marcin.slusarz@...il.com
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ben Fennema <bfennema@...con.csc.calpoly.edu>,
	Jan Kara <jack@...e.cz>, Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH 04/16] udf: check if udf_load_logicalvol failed

On Thu 10-01-08 23:06:20, marcin.slusarz@...il.com wrote:
> udf_load_logicalvol may fail eg in out of memory conditions - check it
> and propagate error further
> 
> Signed-off-by: Marcin Slusarz <marcin.slusarz@...il.com>
> CC: Ben Fennema <bfennema@...con.csc.calpoly.edu>
> CC: Jan Kara <jack@...e.cz>
> CC: Christoph Hellwig <hch@...radead.org>
  Acked-by: Jan Kara <jack@...e.cz>

> ---
>  fs/udf/super.c |    5 ++++-
>  1 files changed, 4 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/udf/super.c b/fs/udf/super.c
> index 3f5b632..9257796 100644
> --- a/fs/udf/super.c
> +++ b/fs/udf/super.c
> @@ -1263,7 +1263,10 @@ static int udf_process_sequence(struct super_block *sb, long block,
>  			if (i == VDS_POS_PRIMARY_VOL_DESC) {
>  				udf_load_pvoldesc(sb, bh);
>  			} else if (i == VDS_POS_LOGICAL_VOL_DESC) {
> -				udf_load_logicalvol(sb, bh, fileset); /* TODO: check return value */
> +				if (udf_load_logicalvol(sb, bh, fileset)) {
> +					brelse(bh);
> +					return 1;
> +				}
>  			} else if (i == VDS_POS_PARTITION_DESC) {
>  				struct buffer_head *bh2 = NULL;
>  				if (udf_load_partdesc(sb, bh)) {
> -- 
> 1.5.3.7
> 

								Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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