Re: [PATCH] Bluetooth: Fix mgmt response when adapter goes down or is removed

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Hi Johan,

On Thu, Nov 03, 2011 at 12:58:51PM +0200, johan.hedberg@xxxxxxxxx wrote:
> From: Johan Hedberg <johan.hedberg@xxxxxxxxx>
> 
> When an adapter gets powered off or is removed any pending commands
> should receive a ENETDOWN or ENODEV status response.
> 
> Signed-off-by: Johan Hedberg <johan.hedberg@xxxxxxxxx>
> ---
>  net/bluetooth/mgmt.c |   19 ++++++++++++++++++-
>  1 files changed, 18 insertions(+), 1 deletions(-)
> 
> diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
> index cbc8a6d..26b58ad 100644
> --- a/net/bluetooth/mgmt.c
> +++ b/net/bluetooth/mgmt.c
> @@ -262,7 +262,7 @@ static void mgmt_pending_foreach(u16 opcode, int index,
>  
>  		cmd = list_entry(p, struct pending_cmd, list);
>  
> -		if (cmd->opcode != opcode)
> +		if (opcode > 0 && cmd->opcode != opcode)
>  			continue;
>  
>  		if (index >= 0 && cmd->index != index)
> @@ -1949,6 +1949,14 @@ done:
>  	return err;
>  }
>  
> +static void cmd_status_rsp(struct pending_cmd *cmd, void *data)
> +{
> +	uint8_t *status = data;
> +
> +	cmd_status(cmd->sk, cmd->index, cmd->opcode, *status);
> +	mgmt_pending_remove(cmd);
> +}
> +
>  int mgmt_index_added(u16 index)
>  {
>  	return mgmt_event(MGMT_EV_INDEX_ADDED, index, NULL, 0, NULL);
> @@ -1956,6 +1964,10 @@ int mgmt_index_added(u16 index)
>  
>  int mgmt_index_removed(u16 index)
>  {
> +	uint8_t status = ENODEV;

Does it make sense to mix type naming here and below? (u8, u16, uint8_t, uint16_t)

Best regards 
Andrei Emeltchenko 


> +
> +	mgmt_pending_foreach(0, index, cmd_status_rsp, &status);
> +
>  	return mgmt_event(MGMT_EV_INDEX_REMOVED, index, NULL, 0, NULL);
>  }
>  
> @@ -1992,6 +2004,11 @@ int mgmt_powered(u16 index, u8 powered)
>  
>  	mgmt_pending_foreach(MGMT_OP_SET_POWERED, index, mode_rsp, &match);
>  
> +	if (!powered) {
> +		uint8_t status = ENETDOWN;
> +		mgmt_pending_foreach(0, index, cmd_status_rsp, &status);
> +	}
> +
>  	ev.val = powered;
>  
>  	ret = mgmt_event(MGMT_EV_POWERED, index, &ev, sizeof(ev), match.sk);
> -- 
> 1.7.7.1
> 
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