[PATCH] Bluetooth: hci_sync: fix undefined return of hci_disconnect_all_sync()

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From: Tom Rix <trix@xxxxxxxxxx>

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>
---
 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 6e71aa6b6feae..9327737da6003 100644
--- a/net/bluetooth/hci_sync.c
+++ b/net/bluetooth/hci_sync.c
@@ -4425,7 +4425,7 @@ 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:
-- 
2.26.3




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