[PATCH v3 2/2] Input: sparcspkr - use cleanup facility for device_node
Chen-Yu Tsai
wens at csie.org
Mon Oct 21 21:57:13 PDT 2024
On Tue, Oct 22, 2024 at 4:28 AM Javier Carrasco
<javier.carrasco.cruz at gmail.com> wrote:
>
> Use the 'free(device_node)' macro to simplify the code by automatically
> freeing the device node, which removes the need for explicit calls to
> 'of_node_put()'.
>
> Signed-off-by: Javier Carrasco <javier.carrasco.cruz at gmail.com>
Not sure why I received this patch, but given my recent experience
with the cleanup stuff,
Reviewed-by: Chen-Yu Tsai <wens at csie.org>
> ---
> drivers/input/misc/sparcspkr.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/input/misc/sparcspkr.c b/drivers/input/misc/sparcspkr.c
> index e484d79b5597..8d7303fc13bc 100644
> --- a/drivers/input/misc/sparcspkr.c
> +++ b/drivers/input/misc/sparcspkr.c
> @@ -182,7 +182,6 @@ static int bbc_beep_probe(struct platform_device *op)
> {
> struct sparcspkr_state *state;
> struct bbc_beep_info *info;
> - struct device_node *dp;
> int err;
>
> state = devm_kzalloc(&op->dev, sizeof(*state), GFP_KERNEL);
> @@ -193,13 +192,12 @@ static int bbc_beep_probe(struct platform_device *op)
> state->event = bbc_spkr_event;
> spin_lock_init(&state->lock);
>
> - dp = of_find_node_by_path("/");
> + struct device_node *dp __free(device_node) = of_find_node_by_path("/");
> if (!dp)
> return -ENODEV;
>
> info = &state->u.bbc;
> info->clock_freq = of_getintprop_default(dp, "clock-frequency", 0);
> - of_node_put(dp);
> if (!info->clock_freq)
> return -ENODEV;
>
>
> --
> 2.43.0
>
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