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author | 2024-11-14 17:19:47 +0800 | |
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committer | 2025-02-03 22:47:32 +0100 | |
commit | 45ab5166a82d038c898985b0ad43ead69c1f9573 (patch) | |
tree | ab8c2e3fadb190bff93a3350491d6750f6bb782a /drivers/hid/hid-winwing.c | |
parent | HID: hid-steam: Fix issues with disabling both gamepad mode and lizard mode (diff) | |
download | wireguard-linux-45ab5166a82d038c898985b0ad43ead69c1f9573.tar.xz wireguard-linux-45ab5166a82d038c898985b0ad43ead69c1f9573.zip |
HID: winwing: Add NULL check in winwing_init_led()
devm_kasprintf() can return a NULL pointer on failure,but this
returned value in winwing_init_led() is not checked.
Add NULL check in winwing_init_led(), to handle kernel NULL
pointer dereference error.
Fixes: 266c990debad ("HID: Add WinWing Orion2 throttle support")
Signed-off-by: Charles Han <hanchunchao@inspur.com>
Signed-off-by: Jiri Kosina <jkosina@suse.com>
Diffstat (limited to '')
-rw-r--r-- | drivers/hid/hid-winwing.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/hid/hid-winwing.c b/drivers/hid/hid-winwing.c index 831b760c66ea..d4afbbd27807 100644 --- a/drivers/hid/hid-winwing.c +++ b/drivers/hid/hid-winwing.c @@ -106,6 +106,8 @@ static int winwing_init_led(struct hid_device *hdev, "%s::%s", dev_name(&input->dev), info->led_name); + if (!led->cdev.name) + return -ENOMEM; ret = devm_led_classdev_register(&hdev->dev, &led->cdev); if (ret) |