linux-kernel - Re: [PATCH] platform/chrome: cros_ec_typec: Use common error handling code in cros_typec_init

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Message-ID: <CABXOdTc6G9E2SdyP+27Gp3HsxfKqKOPmqkYG2x6Avg5bzCNNdA@mail.gmail.com>
Date: Sat, 29 Jun 2024 07:30:28 -0700
From: Guenter Roeck <groeck@...gle.com>
To: Markus Elfring <Markus.Elfring@....de>
Cc: chrome-platform@...ts.linux.dev, kernel-janitors@...r.kernel.org, 
	Benson Leung <bleung@...omium.org>, Günter Röck <groeck@...omium.org>, 
	Prashant Malani <pmalani@...omium.org>, Tzung-Bi Shih <tzungbi@...nel.org>, 
	LKML <linux-kernel@...r.kernel.org>, 
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Subject: Re: [PATCH] platform/chrome: cros_ec_typec: Use common error handling
 code in cros_typec_init_ports()

On Sat, Jun 29, 2024 at 6:33 AM Markus Elfring <Markus.Elfring@....de> wrote:
>
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Sat, 29 Jun 2024 15:17:44 +0200
>
> Add a jump target so that a bit of exception handling can be better reused
> at the end of this function implementation.
>

I see no value in this patch.

Guenter

> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
> ---
>  drivers/platform/chrome/cros_ec_typec.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
> index 4d305876ec08..aff744a0b38f 100644
> --- a/drivers/platform/chrome/cros_ec_typec.c
> +++ b/drivers/platform/chrome/cros_ec_typec.c
> @@ -348,15 +348,13 @@ static int cros_typec_init_ports(struct cros_typec_data *typec)
>         port_prop = dev->of_node ? "reg" : "port-number";
>         device_for_each_child_node(dev, fwnode) {
>                 if (fwnode_property_read_u32(fwnode, port_prop, &port_num)) {
> -                       ret = -EINVAL;
>                         dev_err(dev, "No port-number for port, aborting.\n");
> -                       goto unregister_ports;
> +                       goto e_inval;
>                 }
>
>                 if (port_num >= typec->num_ports) {
>                         dev_err(dev, "Invalid port number.\n");
> -                       ret = -EINVAL;
> -                       goto unregister_ports;
> +                       goto e_inval;
>                 }
>
>                 dev_dbg(dev, "Registering port %d\n", port_num);
> @@ -408,6 +406,8 @@ static int cros_typec_init_ports(struct cros_typec_data *typec)
>
>         return 0;
>
> +e_inval:
> +       ret = -EINVAL;
>  unregister_ports:
>         cros_unregister_ports(typec);
>         return ret;
> --
> 2.45.2
>