From: Felix Gu <gu_0233@qq.com>
Date: Sun, 18 Jan 2026 09:26:23 +0000 (+0800)
Subject: regulator: fp9931: Add missing memory allocation check
X-Git-Tag: v6.19-rc7~30^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e3b76494d675e49fa032ec47f58487875a1de70a;p=thirdparty%2Fkernel%2Flinux.git

regulator: fp9931: Add missing memory allocation check

Add a check for devm_kzalloc failure in fp9931_probe to prevent a
null pointer dereference.

Fixes: 12d821bd13d4 ("regulator: Add FP9931/JD9930 driver")
Signed-off-by: Felix Gu <gu_0233@qq.com>
Link: https://patch.msgid.link/tencent_5FCF2108621C51007E5526A7C60A5CC1F306@qq.com
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/drivers/regulator/fp9931.c b/drivers/regulator/fp9931.c
index 69b3c712e5d5..7fbcc6327cc6 100644
--- a/drivers/regulator/fp9931.c
+++ b/drivers/regulator/fp9931.c
@@ -439,6 +439,9 @@ static int fp9931_probe(struct i2c_client *client)
 	int i;
 
 	data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
 	data->regmap = devm_regmap_init_i2c(client, &regmap_config);
 	if (IS_ERR(data->regmap))
 		return dev_err_probe(&client->dev, PTR_ERR(data->regmap),