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qcacld-3.0: protect the reject ap list with mutex lock

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Any operation on the reject ap list should be protected
by the mutex lock, otherwise, race condition may happen
and result in list corruption.

Change-Id: Iefe0594a62563d800e85f8f6ebd747ab46c19fcf
CRs-Fixed: 2901576
This commit is contained in:
Yu Wang
2021-03-17 16:50:01 +08:00
committed by snandini
parent b5c7a15d36
commit 71abae6a8e
1 changed files with 8 additions and 0 deletions
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8
components/blacklist_mgr/core/src/wlan_blm_core.c
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@@ -917,6 +917,7 @@ void blm_update_reject_ap_list_to_fw(struct wlan_objmgr_psoc *psoc)
struct wlan_objmgr_pdev *pdev;
struct blm_pdev_priv_obj *blm_ctx;
struct blm_psoc_priv_obj *blm_psoc_obj;
QDF_STATUS status;
blm_psoc_obj = blm_get_psoc_obj(psoc);
if (!blm_psoc_obj) {
@@ -937,8 +938,15 @@ void blm_update_reject_ap_list_to_fw(struct wlan_objmgr_psoc *psoc)
goto end;
}
status = qdf_mutex_acquire(&blm_ctx->reject_ap_list_lock);
if (QDF_IS_STATUS_ERROR(status)) {
blm_err("failed to acquire reject_ap_list_lock");
goto end;
}
cfg = &blm_psoc_obj->blm_cfg;
blm_send_reject_ap_list_to_fw(pdev, &blm_ctx->reject_ap_list, cfg);
qdf_mutex_release(&blm_ctx->reject_ap_list_lock);
end:
wlan_objmgr_pdev_release_ref(pdev, WLAN_MLME_CM_ID);