[PATCH 06/10] Input: sparcspkr - use cleanup facility for device_node

Javier Carrasco
2024-10-10T21:26:13Z

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>
---
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 20020cbc0752..bb1c732c8f95 100644
--- a/drivers/input/misc/sparcspkr.c
+++ b/drivers/input/misc/sparcspkr.c
@@ -188,7 +188,6 @@ static int bbc_beep_probe(struct platform_device *op)
{
struct sparcspkr_state *state;
struct bbc_beep_info *info;
- struct device_node *dp;
int err = -ENOMEM;

state = kzalloc(sizeof(*state), GFP_KERNEL);
@@ -199,14 +198,13 @@ 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("/");
err = -ENODEV;
+ struct device_node *dp __free(device_node) = of_find_node_by_path("/");
if (!dp)
goto out_free;

info = &state->u.bbc;
info->clock_freq = of_getintprop_default(dp, "clock-frequency", 0);
- of_node_put(dp);
if (!info->clock_freq)
goto out_free;

--
2.43.0