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Bluetooth: btintel: Fix null ptr deref in btintel_read_version

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If hci_cmd_sync_complete() is triggered and skb is NULL, then
hdev->req_skb is NULL, which will cause this issue.

Reported-and-tested-by: [email protected]
Signed-off-by: Edward Adam Davis <[email protected]>
Signed-off-by: Luiz Augusto von Dentz <[email protected]>
This commit is contained in:
Edward Adam Davis authored and Luiz Augusto von Dentz committed 2024-03-06 17:22:39 -05:00
1 parent 9c16d0c8d9
commit b79e040910
1 file changed
+1 -1
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drivers/bluetooth/btintel.c
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@@ -435,7 +435,7 @@ int btintel_read_version(struct hci_dev *hdev, struct intel_version *ver)
struct sk_buff *skb;
skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_CMD_TIMEOUT);
if (IS_ERR(skb)) {
if (IS_ERR_OR_NULL(skb)) {
bt_dev_err(hdev, "Reading Intel version information failed (%ld)",
PTR_ERR(skb));
return PTR_ERR(skb);