Re: [PATCH] android/gatt: Fix missing error response to find by type value request

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Hi Mariusz,

On Wednesday 10 of December 2014 14:31:19 Mariusz Skamra wrote:
> This patch fixes Find By Type Value Request issue.
> When the attribute queue is empty, error response should be sent.
> ---
>  android/gatt.c | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/android/gatt.c b/android/gatt.c
> index b2ce9c1..484775a 100644
> --- a/android/gatt.c
> +++ b/android/gatt.c
> @@ -4546,7 +4546,6 @@ static void send_dev_complete_response(struct
> gatt_device *device, if ((val->length != val->filter_vlen) ||
>  				memcmp(val->value, val->filter_value,
>  								val->length)) {
> -

Coding style fixes should be in separate patch.

>  				destroy_pending_request(val);
>  				val = queue_pop_head(device->pending_requests);
>  				continue;
> @@ -6172,6 +6171,9 @@ static uint8_t find_by_type_request(const uint8_t
> *cmd, uint16_t cmd_len, struct queue *q;
>  	bt_uuid_t uuid;
>  	uint16_t len;
> +	size_t mtu;
> +	uint8_t *rsp = g_attrib_get_buffer(device->attrib, &mtu);
> +
> 

Double empty line.

>  	DBG("");
> 
> @@ -6189,6 +6191,14 @@ static uint8_t find_by_type_request(const uint8_t
> *cmd, uint16_t cmd_len,
> 
>  	gatt_db_find_by_type(gatt_db, start, end, &uuid, q);
> 
> +	if (queue_isempty(q)) {

You could also move mtu and rsp declarations here.

> +		len = enc_error_resp(ATT_OP_FIND_BY_TYPE_REQ, start,
> +					ATT_ECODE_ATTR_NOT_FOUND, rsp, mtu);
> +		g_attrib_send(device->attrib, 0, rsp, len, NULL, NULL, NULL);
> +		queue_destroy(q, NULL);
> +		return 0;
> +	}
> +
>  	while (queue_peek_head(q)) {
>  		struct gatt_db_attribute *attrib = queue_pop_head(q);
>  		struct pending_request *data;

-- 
BR
Szymon Janc
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