linux-kernel - Re: [PATCH] Revert "staging: dgap: remove unneeded kfree() in dgap_tty_register

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Message-ID: <20140529161101.GA802@kroah.com>
Date:	Thu, 29 May 2014 09:11:01 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Daeseok Youn <daeseok.youn@...il.com>
Cc:	lidza.louina@...il.com, devel@...verdev.osuosl.org,
	driverdev-devel@...uxdriverproject.org,
	linux-kernel@...r.kernel.org, dan.carpenter@...cle.com
Subject: Re: [PATCH] Revert "staging: dgap: remove unneeded kfree() in
 dgap_tty_register_ports()"

On Thu, May 29, 2014 at 04:01:27PM +0900, Daeseok Youn wrote:
> This reverts commit 0ade4a34fd439d62df46937e8f3e584eb0879579.
> 
> This patch removes kfree for serial_ports in dgap_tty_register_ports()
> if the "brd->printer_ports" allocation fails and serial_ports may be
> freed by calling dgap_tty_uninit() within other patch.
> That patch has an error handling but incomplete cleanup
> so it need to call kfree() for brd->serial_ports in
> dgap_tty_register_ports().
> 
> Conflicts:
> 
> 	drivers/staging/dgap/dgap.c
> ---
>  drivers/staging/dgap/dgap.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)

-ENOSIGNEDOFFBY :(

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