linux-kernel - Re: Fwd: [PATCH] tty:Insert clk_put before return (clk) to release memory

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Message-ID: <2023071424-folic-boss-18e3@gregkh>
Date:   Fri, 14 Jul 2023 06:44:44 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     liubin001@...suo.com
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Fwd: [PATCH] tty:Insert clk_put before return (clk) to release
 memory

On Fri, Jul 14, 2023 at 12:30:14PM +0800, liubin001@...suo.com wrote:
> 
> tty/serial:Insert clk_put before return (clk) to release memory
> Signed-off-by: Liu Bin <liubin001@...uo.com>
> ---
>  drivers/tty/serial/bcm63xx_uart.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/tty/serial/bcm63xx_uart.c
> b/drivers/tty/serial/bcm63xx_uart.c
> index 55e82d0bf92d..7353b683952d 100644
> --- a/drivers/tty/serial/bcm63xx_uart.c
> +++ b/drivers/tty/serial/bcm63xx_uart.c
> @@ -851,6 +851,7 @@ static int bcm_uart_probe(struct platform_device *pdev)
>          clk = of_clk_get(pdev->dev.of_node, 0);
> 
>      if (IS_ERR(clk))
> +        clk_put(clk);
>          return -ENODEV;
> 
>      port->iotype = UPIO_MEM;

This obviously has not even been tested :(