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Input: sparcspkr - use cleanup facility for device_node

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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@gmail.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20241021-input_automate_of_node_put-v3-2-cc73f636e1bc@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Javier Carrasco 2024-10-21 22:28:24 +02:00 committed by Dmitry Torokhov
parent ddefcd779e
commit 20d1278d4b
1 changed files with 1 additions and 3 deletions
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4
drivers/input/misc/sparcspkr.c
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@ -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;