Hi Kiran,

> Do not attempt to send dlci disconnect when in BT_CONFIG.
> 
> This fixes a bug where shutdown() and close() on a rfcomm socket during ACL
> connection would not cause HCI Create Connection Cancel.
> 
> This is one of the number of patches from the Android AOSP common.git tree,
> which is used on almost all Android devices.  so I wanted to submit it for
> review to see if it should go upstream.
> 
> Cc: Marcel Holtmann <[email protected]>
> Cc: Gustavo Padovan <[email protected]>
> Cc: Johan Hedberg <[email protected]>
> Cc: David S. Miller <[email protected]>
> Cc: Peter Hurley <[email protected]>
> Cc: Seung-Woo Kim <[email protected]>
> Cc: Nick Pelly <[email protected]>
> Cc: [email protected]
> Cc: [email protected]
> Cc: [email protected]
> Cc: Android Kernel Team <[email protected]>
> Cc: John Stultz <[email protected]>
> Signed-off-by: Nick Pelly <[email protected]>
> [kiran: Added context to commit message]
> Signed-off-by: Kiran Raparthy <[email protected]>
> ---
> net/bluetooth/rfcomm/core.c | 1 -
> 1 file changed, 1 deletion(-)
> 
> diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
> index cf62026..6a531e7 100644
> --- a/net/bluetooth/rfcomm/core.c
> +++ b/net/bluetooth/rfcomm/core.c
> @@ -456,7 +456,6 @@ static int __rfcomm_dlc_close(struct rfcomm_dlc *d, int 
> err)
> 
>       switch (d->state) {
>       case BT_CONNECT:
> -     case BT_CONFIG:
>       case BT_OPEN:
>       case BT_CONNECT2:
>               if (test_and_clear_bit(RFCOMM_DEFER_SETUP, &d->flags)) {

you can include traces and a test program that will demonstrate this behavior. 
I am hearing about this one for the first time. Nobody else has indicated an 
issue like this before.

Regards

Marcel

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