A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Filename Latest commit message Latest commit date
Krunal Soni 7c4565f22f qcacmn: Fix race by acquiring vdev_list_lock before removing vdev 
When multiple STA-PEERs are connected to SAP-DUT device and if SAP
is getting shutdown then as part of shutdown:
1) PEER delete happens first and as part of it,
   firmware sends peer_unmap event in interrupt-context.
2) entire peer_unmap handling happens in interrupt_context on one
   of the available CPU-core.
3) as part of peer_unmap handling, driver removes the peer from
   peer_list first and then cleans up its peer data structure.
4) so between peer getting removed from peer_list and
   peer data structure getting cleaned up;
   control thread (hdd_vdev_destroy/IOCTL/mcthread),
   which is running on different CPU core in process-context,
   takes control.
5) control thread checks if peer_list is empty. If it is empty then
   cleans dp_vdev structure.
6) so when interrupt_context is cleaning up peer data-structure queue,
   it gets stability issue while accessing dp_vdev structure which is
   already cleaned up by control thread.
Fix the situation by cleaning-up the peer data-struct first and
then remove peer from peer_list

CRs-Fixed: 2291861
Change-Id: I39675bbe4448df57911963942800cbcede508917
2018-09-17 16:10:52 -07:00
cfg qcacmn: Add CFG/INI items to extscan component 2018-09-12 17:57:22 -07:00
dp qcacmn: Fix race by acquiring vdev_list_lock before removing vdev 2018-09-17 16:10:52 -07:00
ftm qcacmn: Fix possible OOB write in wlan_ftm_process_utf_event 2018-09-07 21:46:49 -07:00
global_lmac_if
hal/wifi3.0 qcacmn: Populate proper Rx reception type 2018-09-16 22:35:23 -07:00
hif qcacmn: Fix bucket calculation in NAPI case 2018-09-17 04:27:02 -07:00
htc qcacmn: Remove QDF_BUG in htc_completion_handler 2018-08-28 13:09:53 -07:00
init_deinit/dispatcher qcacmn: Define VDEV MLME component object 2018-09-14 08:16:48 -07:00
os_if/linux qcacmn: Update kernel version check 2018-09-17 06:09:55 -07:00
qal qcacmn: Use appropriate dev handle in OS wrappers 2018-09-04 11:53:51 -07:00
qdf qcacmn: Define VDEV MLME component object 2018-09-14 08:16:48 -07:00
scheduler qcacmn: Add src, and dst id support in SCHEDULER 2018-09-14 03:12:32 -07:00
spectral qcacmn: Define VDEV MLME component object 2018-09-14 08:16:48 -07:00
target_if qcacmn: Add src, and dst id support in TARGET-IF 2018-09-17 06:09:48 -07:00
umac qcacmn: Add src, and dst id support in TDLS 2018-09-17 04:27:08 -07:00
utils qcacmn: Add src, and dst id support in PKTLOG(WMA) 2018-09-17 06:09:52 -07:00
wbuff qcacmn: Add support for WBUFF module 2018-09-14 23:15:00 -07:00
wlan_cfg qcacmn: Modify min value of DP configuration for emulation 2018-09-11 12:03:05 -07:00
wmi qcacmn: Add logic to wait for wds del resp before peer create 2018-09-17 09:39:01 -07:00
README.txt
VERSION.txt

README.txt 

 This is CNSS WLAN Host Driver for products starting from iHelium