From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Wed, 4 Sep 2024 04:48:05 +0000 (-0700)
Subject: Input: iqs269a - use cleanup facility for fwnodes
X-Git-Tag: v6.13-rc1~95^2^2~67
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=9a540b67a9c260ae55e7e93443a4413cccf5523d;p=thirdparty%2Fkernel%2Flinux.git

Input: iqs269a - use cleanup facility for fwnodes

Use __free(fwnode_handle) cleanup facility to ensure that references to
acquired fwnodes are dropped at appropriate times automatically.

Reviewed-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240904044806.1047847-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---

diff --git a/drivers/input/misc/iqs269a.c b/drivers/input/misc/iqs269a.c
index c34d847fa4af5..1851848e2cd38 100644
--- a/drivers/input/misc/iqs269a.c
+++ b/drivers/input/misc/iqs269a.c
@@ -550,7 +550,6 @@ static int iqs269_parse_chan(struct iqs269_private *iqs269,
 			     const struct fwnode_handle *ch_node)
 {
 	struct i2c_client *client = iqs269->client;
-	struct fwnode_handle *ev_node;
 	struct iqs269_ch_reg *ch_reg;
 	u16 engine_a, engine_b;
 	unsigned int reg, val;
@@ -727,8 +726,9 @@ static int iqs269_parse_chan(struct iqs269_private *iqs269,
 	}
 
 	for (i = 0; i < ARRAY_SIZE(iqs269_events); i++) {
-		ev_node = fwnode_get_named_child_node(ch_node,
-						      iqs269_events[i].name);
+		struct fwnode_handle *ev_node __free(fwnode_handle) =
+			fwnode_get_named_child_node(ch_node,
+						    iqs269_events[i].name);
 		if (!ev_node)
 			continue;
 
@@ -737,7 +737,6 @@ static int iqs269_parse_chan(struct iqs269_private *iqs269,
 				dev_err(&client->dev,
 					"Invalid channel %u threshold: %u\n",
 					reg, val);
-				fwnode_handle_put(ev_node);
 				return -EINVAL;
 			}
 
@@ -751,7 +750,6 @@ static int iqs269_parse_chan(struct iqs269_private *iqs269,
 				dev_err(&client->dev,
 					"Invalid channel %u hysteresis: %u\n",
 					reg, val);
-				fwnode_handle_put(ev_node);
 				return -EINVAL;
 			}
 
@@ -767,7 +765,6 @@ static int iqs269_parse_chan(struct iqs269_private *iqs269,
 		}
 
 		error = fwnode_property_read_u32(ev_node, "linux,code", &val);
-		fwnode_handle_put(ev_node);
 		if (error == -EINVAL) {
 			continue;
 		} else if (error) {