[ Upstream commit2615fd9a7c] 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:6a98e3836f("Bluetooth: Add helper for serialized HCI command execution") Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Signed-off-by: Sasha Levin <sashal@kernel.org>