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Bluetooth: att: Retry ATT request if security elevation is in progress

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If the conn security elevation is already in progress, retry the ATT
request if failed due to security reasons.

Signed-off-by: Mariusz Skamra <mariusz.skamra@codecoup.pl>
This commit is contained in:
Mariusz Skamra 2023-11-03 16:22:05 +01:00 • committed by Carles Cufí
commit f434198a2b
1 changed files with 5 additions and 1 deletions
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6
subsys/bluetooth/host/att.c
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@ -2519,9 +2519,13 @@ static uint8_t att_error_rsp(struct bt_att_chan *chan, struct net_buf *buf)
} }
err = rsp->error; err = rsp->error;
#if defined(CONFIG_BT_ATT_RETRY_ON_SEC_ERR) #if defined(CONFIG_BT_ATT_RETRY_ON_SEC_ERR)
int ret;
/* Check if error can be handled by elevating security. */ /* Check if error can be handled by elevating security. */
if (!att_change_security(chan->chan.chan.conn, err)) { ret = att_change_security(chan->chan.chan.conn, err);
if (ret == 0 || ret == -EBUSY) {
/* ATT timeout work is normally cancelled in att_handle_rsp. /* ATT timeout work is normally cancelled in att_handle_rsp.
* However retrying is special case, so the timeout shall * However retrying is special case, so the timeout shall
* be cancelled here. * be cancelled here.