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qcacld-3.0: Don't fill any WMA request if target is not ready

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If any WMA request is queued in wma hold req/vdev resp queue after fw
has crashed and sent the corresponding uevent to HOST, request will
timeout and if at the same time, SSR is also going on, it may lead to
various issues and crashes.

Check whether target is ready or not before queuing any request
in wma hold req/vdev resp queue.

Change-Id: I358841566f858e115b3b04f12f4d8b70b75d1dfc
CRs-Fixed: 2226497
This commit is contained in:
Himanshu Agarwal 2018-04-19 18:16:46 +05:30 • committed by nshrivas
commit 51d818cb2a
3 changed files with 12 additions and 0 deletions
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1
core/hdd/src/wlan_hdd_driver_ops.c
View file

@ -1489,6 +1489,7 @@ static void wlan_hdd_handle_the_pld_uevent(struct pld_uevent_data *uevent)
switch (uevent->uevent) {
case PLD_RECOVERY:
cds_set_target_ready(false);
hdd_pld_ipa_uc_shutdown_pipes();
break;
case PLD_FW_DOWN:

1
core/wma/src/wma_data.c
View file

@ -1217,6 +1217,7 @@ void wma_set_linkstate(tp_wma_handle wma, tpLinkStateParams params)
vdev_id);
params->status = false;
status = QDF_STATUS_E_NOMEM;
goto out;
}
wma_vdev_set_pause_bit(vdev_id, PAUSE_TYPE_HOST);
if (wma_send_vdev_stop_to_fw(wma, vdev_id)) {

10
core/wma/src/wma_dev_if.c
View file

@ -3278,6 +3278,11 @@ struct wma_target_req *wma_fill_hold_req(tp_wma_handle wma,
struct wma_target_req *req;
QDF_STATUS status;
if (!cds_is_target_ready()) {
WMA_LOGE("target not ready, drop the request");
return NULL;
}
req = qdf_mem_malloc(sizeof(*req));
if (!req) {
WMA_LOGE(FL("Failed to allocate memory for msg %d vdev %d"),
@ -3587,6 +3592,11 @@ struct wma_target_req *wma_fill_vdev_req(tp_wma_handle wma,
struct wma_target_req *req;
QDF_STATUS status;
if (!cds_is_target_ready()) {
WMA_LOGE("target not ready, drop the request");
return NULL;
}
req = qdf_mem_malloc(sizeof(*req));
if (!req) {
WMA_LOGE("%s: Failed to allocate memory for msg %d vdev %d",