From: Tom Rix <trix@xxxxxxxxxx> [ Upstream commit 8cd3c55c629efd91e5f2b3e89d850575c5b90d47 ] clang static analysis reports this problem hci_sync.c:4428:2: warning: Undefined or garbage value returned to caller return err; ^~~~~~~~~~ If there are no connections this function is a noop but err is never set and a false error could be reported. Return 0 as other hci_* functions do. Fixes: 182ee45da083 ("Bluetooth: hci_sync: Rework hci_suspend_notifier") Signed-off-by: Tom Rix <trix@xxxxxxxxxx> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- net/bluetooth/hci_sync.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/bluetooth/hci_sync.c b/net/bluetooth/hci_sync.c index 5e93f37c2e04..405d48c3e63e 100644 --- a/net/bluetooth/hci_sync.c +++ b/net/bluetooth/hci_sync.c @@ -4432,7 +4432,7 @@ static int hci_disconnect_all_sync(struct hci_dev *hdev, u8 reason) return err; } - return err; + return 0; } /* This function perform power off HCI command sequence as follows: -- 2.34.1