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From: Tejun Heo <tj@kernel.org>
To: Shaohua Li <shli@fb.com>
Cc: linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org,
	viro@zeniv.linux.org.uk, Kernel-team@fb.com
Subject: Re: [PATCH 4/5] kernfs: don't set dentry->d_fsdata
Date: Tue, 23 May 2017 14:37:40 -0400	[thread overview]
Message-ID: <20170523183740.GA13222@htj.duckdns.org> (raw)
In-Reply-To: <569790908deae2d9f32165b8844ad9f3c0f38589.1495490800.git.shli@fb.com>

Hello,

On Mon, May 22, 2017 at 03:53:08PM -0700, Shaohua Li wrote:
> +#define kernfs_dentry_node(d)  ((d_inode(d))->i_private)

This would oops on a negative dentry.  We need to test d_inode(d) for
NULL first.

Thanks.

-- 
tejun

  reply	other threads:[~2017-05-23 18:37 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-22 22:53 [PATCH 0/5] kernfs: add exportfs operations Shaohua Li
2017-05-22 22:53 ` [PATCH 1/5] kernfs: implement i_generation Shaohua Li
2017-05-23  7:41   ` Christoph Hellwig
2017-05-23 15:09     ` Shaohua Li
2017-05-23 19:20       ` Tejun Heo
2017-05-24 17:40       ` Christoph Hellwig
2017-05-22 22:53 ` [PATCH 2/5] kernfs: use idr instead of ida to manage inode number Shaohua Li
2017-05-22 22:53 ` [PATCH 3/5] kernfs: add an API to get kernfs node from " Shaohua Li
2017-05-22 22:53 ` [PATCH 4/5] kernfs: don't set dentry->d_fsdata Shaohua Li
2017-05-23 18:37   ` Tejun Heo [this message]
2017-05-22 22:53 ` [PATCH 5/5] kernfs: add exportfs operations Shaohua Li
2017-05-23  7:40   ` Christoph Hellwig
2017-05-23 18:57     ` Tejun Heo
2017-05-24 17:38       ` Christoph Hellwig
2017-05-24 17:39         ` Tejun Heo
2017-05-24 17:41           ` Christoph Hellwig
2017-05-24 17:46             ` Tejun Heo
2017-05-24 18:01               ` Shaohua Li
2017-05-23 18:59   ` Tejun Heo
2017-05-23  7:39 ` [PATCH 0/5] " Christoph Hellwig
2017-05-23 15:13   ` Shaohua Li
2017-05-23 19:06 ` Tejun Heo

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