Kernel Tree For Xiaomi 11 Lite NE 5G
In case of STA-AP case, new thread is created to call the func policy_mgr_check_sta_ap_concurrent_ch_intf() that calls policy_mgr_get_pcl_for_existing_conn() that modifies pm_conc_connection_list table. The mc_thread calls policy_mgr_get_valid_chan_weights() that also modifies pm_conc_connection_list table. But the race condition is created that mess up the pm_conc_connection_list table. This race condition also leads to the scenario where the STA connection to the AP is not updated properly . This shall lead to the improper PCL update for a STA+SAP concurrency and thus the channel switch fails. The fix is to protect the whole sequence of the function policy_mgr_check_sta_ap_concurrent_ch_intf() with mutex to avoid race condition. Change-Id: Ibb6d804afa70ef45d99e7ec9fc7fecc4993c7621 CRs-Fixed: 2047765 |
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