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| author | Kunwu Chan <chentao@kylinos.cn> | 2023-11-24 08:50:21 +0100 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2023-12-24 23:43:28 +0100 |
| commit | 88f04bc3e737155e13caddf0ba8ed19db87f0212 (patch) | |
| tree | 84ae885d7f7718253ce19966b8bdbd8626f4de52 /drivers/power/supply | |
| parent | power: reset: at91: Drop '__init' from at91_wakeup_status() (diff) | |
| download | linux-88f04bc3e737155e13caddf0ba8ed19db87f0212.tar.xz linux-88f04bc3e737155e13caddf0ba8ed19db87f0212.zip | |
power: supply: Fix null pointer dereference in smb2_probe
devm_kasprintf and devm_kzalloc return a pointer to dynamically
allocated memory which can be NULL upon failure.
Fixes: 8648aeb5d7b7 ("power: supply: add Qualcomm PMI8998 SMB2 Charger driver")
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Link: https://lore.kernel.org/r/20231124075021.1335289-1-chentao@kylinos.cn
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'drivers/power/supply')
| -rw-r--r-- | drivers/power/supply/qcom_pmi8998_charger.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/power/supply/qcom_pmi8998_charger.c b/drivers/power/supply/qcom_pmi8998_charger.c index 8acf63ee6897..9bb777406013 100644 --- a/drivers/power/supply/qcom_pmi8998_charger.c +++ b/drivers/power/supply/qcom_pmi8998_charger.c @@ -972,10 +972,14 @@ static int smb2_probe(struct platform_device *pdev) supply_config.of_node = pdev->dev.of_node; desc = devm_kzalloc(chip->dev, sizeof(smb2_psy_desc), GFP_KERNEL); + if (!desc) + return -ENOMEM; memcpy(desc, &smb2_psy_desc, sizeof(smb2_psy_desc)); desc->name = devm_kasprintf(chip->dev, GFP_KERNEL, "%s-charger", (const char *)device_get_match_data(chip->dev)); + if (!desc->name) + return -ENOMEM; chip->chg_psy = devm_power_supply_register(chip->dev, desc, &supply_config); |