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| author | Zhongqiu Han <quic_zhonhan@quicinc.com> | 2025-07-05 18:52:46 +0800 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2025-07-23 10:28:30 -0400 |
| commit | b505902c66a282dcb01bcdc015aa1fdfaaa075db (patch) | |
| tree | 9250a8a383518a0aa8e70326ae4cca7824cbf21f /drivers/bluetooth/btusb.c | |
| parent | Bluetooth: btnxpuart: implement powerup sequence (diff) | |
| download | linux-b505902c66a282dcb01bcdc015aa1fdfaaa075db.tar.gz linux-b505902c66a282dcb01bcdc015aa1fdfaaa075db.zip | |
Bluetooth: btusb: Fix potential NULL dereference on kmalloc failure
Avoid potential NULL pointer dereference by checking the return value of
kmalloc and handling allocation failure properly.
Fixes: 7d70989fcea7 ("Bluetooth: btusb: Add HCI Drv commands for configuring altsetting")
Signed-off-by: Zhongqiu Han <quic_zhonhan@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Diffstat (limited to 'drivers/bluetooth/btusb.c')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index b04a4ad64e3b..8023a2eb4681 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -3809,6 +3809,8 @@ static int btusb_hci_drv_supported_altsettings(struct hci_dev *hdev, void *data, /* There are at most 7 alt (0 - 6) */ rp = kmalloc(sizeof(*rp) + 7, GFP_KERNEL); + if (!rp) + return -ENOMEM; rp->num = 0; if (!drvdata->isoc) |