linux-kernel - Re: [PATCH] xfs: Fix error code in 'xfs_ioc

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Message-ID: <20181017084123.GK16896@infradead.org>
Date:   Wed, 17 Oct 2018 01:41:23 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc:     darrick.wong@...cle.com, linux-xfs@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] xfs: Fix error code in 'xfs_ioc_getbmap()'

On Wed, Oct 17, 2018 at 08:21:38AM +0200, Christophe JAILLET wrote:
> In this function, once 'buf' has been allocated, we unconditionally
> return 0.
> However, 'error' is set to some error codes in several error handling
> paths.
> Before commit 232b51948b99 ("xfs: simplify the xfs_getbmap interface")
> this was not an issue because all error paths were returning directly,
> but now that some cleanup at the end may be needed, we must propagate the
> error code.
> 
> Fixes: 232b51948b99 ("xfs: simplify the xfs_getbmap interface")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Looks good:

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