linux-kernel - Re: [PATCH] serial: 8250: fix error handling in of_platform_serial

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Date:   Tue, 18 Jul 2017 09:27:32 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Alexey Khoroshilov <khoroshilov@...ras.ru>
Cc:     Jiri Slaby <jslaby@...e.com>, Arnd Bergmann <arnd@...db.de>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        ldv-project@...uxtesting.org
Subject: Re: [PATCH] serial: 8250: fix error handling in
 of_platform_serial_probe()

On Sat, Jul 01, 2017 at 01:49:29AM +0300, Alexey Khoroshilov wrote:
> clk_disable_unprepare(info->clk) is missed in of_platform_serial_probe(),
> while irq_dispose_mapping(port->irq) is missed in of_platform_serial_setup().
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov@...ras.ru>
> ---
>  drivers/tty/serial/8250/8250_of.c | 20 +++++++++++++-------
>  1 file changed, 13 insertions(+), 7 deletions(-)

I've had to drop this from my tree due to the obvious build warning it
adds to the system.  Always test-build your patches before sending them
out, it makes maintainers grumpy when you do not do that :(

greg k-h