linux-kernel - Re: [PATCH] Revert "debugfs: ->d_parent is never NULL or negative"

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Date:   Thu, 6 Oct 2016 17:41:34 -0400
From:   Sinan Kaya <okaya@...eaurora.org>
To:     Al Viro <viro@...IV.linux.org.uk>
Cc:     timur@...eaurora.org, cov@...eaurora.org,
        linux-arm-msm@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "debugfs: ->d_parent is never NULL or negative"

On 10/6/2016 5:37 PM, Al Viro wrote:
> On Thu, Oct 06, 2016 at 05:30:29PM -0400, Sinan Kaya wrote:
>> This reverts commit acc29fb8f792 ("debugfs: ->d_parent is never NULL or
>> negative") as it breaks the debugfs_remove_recursive API as show in the
>> callstack below.
> 
> NAK.  Fix your code, don't break global asserts.
> 

I can fix the code if you tell me what the problem is:

http://lxr.free-electrons.com/ident?i=hidma_debug_uninit

http://lxr.free-electrons.com/ident?i=hidma_debug_init

The code didn't change between these commits.

git log --oneline fs/debugfs/inode.c

[doesn't work]
23f8a05 Merge branches 'work.misc', 'work.iget', 'work.const-qstr', 'work.splice_read' and 'current_time', remote-tracking branches 'ovl/misc' and 'ovl/
c2050a4 fs: Replace current_fs_time() with current_time()
e0e0be8 libfs: support RENAME_NOREPLACE in simple_rename()
acc29fb debugfs: ->d_parent is never NULL or negative
5614e77 Merge 4.6-rc4 into driver-core-next
87243de debugfs: Make automount point inodes permanently empty
c646880 debugfs: add support for self-protecting attribute file fops

[works]
dde78b1 Revert "debugfs: ->d_parent is never NULL or negative"
23f8a05 Merge branches 'work.misc', 'work.iget', 'work.const-qstr', 'work.splice_read' and 'current_time', remote-tracking branches 'ovl/misc' and 'ovl/
c2050a4 fs: Replace current_fs_time() with current_time()
e0e0be8 libfs: support RENAME_NOREPLACE in simple_rename()
acc29fb debugfs: ->d_parent is never NULL or negative
5614e77 Merge 4.6-rc4 into driver-core-next




-- 
Sinan Kaya
Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.