linux-kernel - Re: [PATCH] debugfs: keep the old valid mode value when no explicity specify it

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Message-ID: <20140828151020.GA17945@kroah.com>
Date:	Thu, 28 Aug 2014 08:10:20 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Chen LinX <linx.z.chen@...el.com>
Cc:	linux-kernel@...r.kernel.org, yanmin_zhang@...ux.intel.com,
	"He, Bo" <bo.he@...el.com>
Subject: Re: [PATCH] debugfs: keep the old valid mode value when no explicity
 specify it

On Thu, Aug 28, 2014 at 06:09:09PM +0800, Chen LinX wrote:
> From: "Chen, LinX" <linx.z.chen@...el.com>
> 
> When mount debugfs with no mode specifed after it's mounted, the mount
> point mode will change to default mode(0700) even the mount operation was fail,
> this will cause some issues like can't get binder info in android.

I don't understand, what did you do to get into this state?

And why does binder care about debugfs?

> Here we can keep the old valid mode if no explicity specify the mode
> value and also change the mode value even the mount fails if the mode
> value is specified.

I can't parse this sentence :(

> Change-Id: I591ce5328e9589adfc3d7317f04276bf0033202a

Please never put these markings in patches for inclusion in the upstream
kernel, as they make no sense.

thanks,

greg k-h
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