[PATCH v3 2/2] Input: sparcspkr - use cleanup facility for device_node

[Javier Carrasco <javier.carrasco.cruz@gmail.com>]

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 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