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Bluetooth: Fix removing adv when processing cmd complete 

If we remove one instance of adv using Set Extended Adv Enable, there
is a possibility of issue occurs when processing the Command Complete
event. Especially, the adv_info might not be found since we already
remove it in hci_req_clear_adv_instance() -> hci_remove_adv_instance().
If that's the case, we will mistakenly proceed to remove all adv
instances instead of just one single instance.

This patch fixes the issue by checking the content of the HCI command
instead of checking whether the adv_info is found.

Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Sonny Sasaka <sonnysasaka@chromium.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Archie Pusaka 2021-10-28 19:17:25 +08:00 committed by Luiz Augusto von Dentz
parent c603bf1f94
commit 2128939fe2
1 changed files with 4 additions and 2 deletions
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6
net/bluetooth/hci_event.c
View File

@ -1326,8 +1326,10 @@ static void hci_cc_le_set_ext_adv_enable(struct hci_dev *hdev,
&conn->le_conn_timeout,
conn->conn_timeout);
} else {
if (adv) {
adv->enabled = false;
if (cp->num_of_sets) {
if (adv)
adv->enabled = false;
/* If just one instance was disabled check if there are
* any other instance enabled before clearing HCI_LE_ADV
*/