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From: Christoph Hellwig <hch@infradead.org>
To: Eric Sandeen <sandeen@sandeen.net>
Cc: xfs-oss <xfs@oss.sgi.com>
Subject: Re: [PATCH 1/2] xfs: don't send null bp to xfs_trans_brelse()
Date: Wed, 1 Oct 2014 08:55:29 -0700	[thread overview]
Message-ID: <20141001155529.GA787@infradead.org> (raw)
In-Reply-To: <542C1C2B.5020803@sandeen.net>

On Wed, Oct 01, 2014 at 10:22:19AM -0500, Eric Sandeen wrote:
> In this case, if bp is NULL, error is set, and we send a
> NULL bp to xfs_trans_brelse, which will try to dereference it.
> 
> Test whether we actually have a buffer before we try to
> free it.
> 
> Coverity spotted this.
> 
> Signed-off-by: Eric Sandeen <sandeen@redhat.com>

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>

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  reply	other threads:[~2014-10-01 15:55 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-01 15:18 [PATCH 0/2 RESEND] xfs: small bugfixes Eric Sandeen
2014-10-01 15:22 ` [PATCH 1/2] xfs: don't send null bp to xfs_trans_brelse() Eric Sandeen
2014-10-01 15:55   ` Christoph Hellwig [this message]
2014-10-01 15:24 ` [PATCH 2/2] xfs: fix crc field handling in xfs_sb_to/from_disk Eric Sandeen
2014-10-01 15:56   ` Christoph Hellwig
2014-10-01 22:56     ` Dave Chinner

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