[PATCH v2 1/2] Bluetooth: btusb: Return when coredump trigger cmd fails

From: Manish Mandlik
Date: Fri Nov 17 2023 - 14:29:49 EST


Avoid freeing NULL skb when hci command fails.

Fixes: 20981ce2d5a5 ("Bluetooth: btusb: Add WCN6855 devcoredump support")

Signed-off-by: Manish Mandlik <mmandlik@xxxxxxxxxx>
---

Changes in v2:
- Fixed a typo in error log in btusb_coredump_qca()

drivers/bluetooth/btusb.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index b8e9de887b5d..35a26440cabd 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3463,8 +3463,11 @@ static void btusb_coredump_qca(struct hci_dev *hdev)
struct sk_buff *skb;

skb = __hci_cmd_sync(hdev, 0xfc0c, 1, param, HCI_CMD_TIMEOUT);
- if (IS_ERR(skb))
- bt_dev_err(hdev, "%s: triggle crash failed (%ld)", __func__, PTR_ERR(skb));
+ if (IS_ERR(skb)) {
+ bt_dev_err(hdev, "%s: trigger crash failed (%ld)", __func__, PTR_ERR(skb));
+ return;
+ }
+
kfree_skb(skb);
}

--
2.43.0.rc0.421.g78406f8d94-goog