From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Date: Fri, 5 Jul 2024 11:31:12 +0000 (+0200)
Subject: power: supply: core: simplify with cleanup.h
X-Git-Tag: v6.12-rc1~160^2~29
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a9125e868f7ad80d527cf5c69e20fa0ada96bff9;p=thirdparty%2Flinux.git

power: supply: core: simplify with cleanup.h

Allocate the memory with scoped/cleanup.h to reduce error handling and
make the code a bit simpler.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240705113113.42851-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
---

diff --git a/drivers/power/supply/power_supply_core.c b/drivers/power/supply/power_supply_core.c
index 8f6025acd10a0..2b845ac511577 100644
--- a/drivers/power/supply/power_supply_core.c
+++ b/drivers/power/supply/power_supply_core.c
@@ -9,6 +9,7 @@
  *  Modified: 2004, Oct     Szabolcs Gyurko
  */
 
+#include <linux/cleanup.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/init.h>
@@ -756,10 +757,10 @@ int power_supply_get_battery_info(struct power_supply *psy,
 
 	for (index = 0; index < len; index++) {
 		struct power_supply_battery_ocv_table *table;
-		char *propname;
 		int i, tab_len, size;
 
-		propname = kasprintf(GFP_KERNEL, "ocv-capacity-table-%d", index);
+		char *propname __free(kfree) = kasprintf(GFP_KERNEL, "ocv-capacity-table-%d",
+							 index);
 		if (!propname) {
 			power_supply_put_battery_info(psy, info);
 			err = -ENOMEM;
@@ -768,13 +769,11 @@ int power_supply_get_battery_info(struct power_supply *psy,
 		list = of_get_property(battery_np, propname, &size);
 		if (!list || !size) {
 			dev_err(&psy->dev, "failed to get %s\n", propname);
-			kfree(propname);
 			power_supply_put_battery_info(psy, info);
 			err = -EINVAL;
 			goto out_put_node;
 		}
 
-		kfree(propname);
 		tab_len = size / (2 * sizeof(__be32));
 		info->ocv_table_size[index] = tab_len;