diff options
| author | Kunwu Chan <chentao@kylinos.cn> | 2024-01-19 14:07:14 +0800 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.com> | 2024-01-23 11:22:42 +0100 |
| commit | b6eda11c44dc89a681e1c105f0f4660e69b1e183 (patch) | |
| tree | 9f266658dbcdb138be305e8a084f1d88adbd33a1 /drivers/hid | |
| parent | afa6ac2690bb9904ff883c6e942281e1032a484d (diff) | |
| download | linux-b6eda11c44dc89a681e1c105f0f4660e69b1e183.tar.gz | |
HID: nvidia-shield: Add missing null pointer checks to LED initialization
devm_kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.
[jkosina@suse.com: tweak changelog a bit]
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Reviewed-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Diffstat (limited to 'drivers/hid')
| -rw-r--r-- | drivers/hid/hid-nvidia-shield.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hid/hid-nvidia-shield.c b/drivers/hid/hid-nvidia-shield.c index 82d0a77359c460..58b15750dbb0ac 100644 --- a/drivers/hid/hid-nvidia-shield.c +++ b/drivers/hid/hid-nvidia-shield.c @@ -800,6 +800,8 @@ static inline int thunderstrike_led_create(struct thunderstrike *ts) led->name = devm_kasprintf(&ts->base.hdev->dev, GFP_KERNEL, "thunderstrike%d:blue:led", ts->id); + if (!led->name) + return -ENOMEM; led->max_brightness = 1; led->flags = LED_CORE_SUSPENDRESUME | LED_RETAIN_AT_SHUTDOWN; led->brightness_get = &thunderstrike_led_get_brightness; @@ -831,6 +833,8 @@ static inline int thunderstrike_psy_create(struct shield_device *shield_dev) shield_dev->battery_dev.desc.name = devm_kasprintf(&ts->base.hdev->dev, GFP_KERNEL, "thunderstrike_%d", ts->id); + if (!shield_dev->battery_dev.desc.name) + return -ENOMEM; shield_dev->battery_dev.psy = power_supply_register( &hdev->dev, &shield_dev->battery_dev.desc, &psy_cfg); |