Bluetooth: hci_sync: Fix overwriting request callback
In a few cases the stack may generate commands as responses to events which would happen to overwrite the sent_cmd, so this attempts to store the request in req_skb so even if sent_cmd is replaced with a new command the pending request will remain in stored in req_skb. Fixes: 6a98e383 ("Bluetooth: Add helper for serialized HCI command execution") Signed-off-by:Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
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