samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Garpu 0
Kode Masalah Tarik Permintaan Actions Packages Projects Rilis Wiki Kegiatan

qcacld-3.0: Use objmgr api to get the vdev for pmo

Telusuri Sumber 
Currently pmo disable run time pm offload api gets the vdev
inside psoc obj lock but tries to take the reference of
vdev without any lock protection, in this case it is possible
that one thread gets the vdev and when it troes to get the vdev
reference some other thread deletes the vdev because if which
first thread will not be able to get the reference for the vdev
which it alreaady holds.
To address above issue use objmgr api to get the vdev.

Change-Id: I8f47515f39ace809cfe9e134fd704a2914ed3d9a
CRs-Fixed: 2769887
This commit is contained in:
Ashish Kumar Dhanotiya
2020-09-07 12:23:18 +05:30
committed by snandini
orang tua 822e4f01a2
melakukan 95e385cfe1
1 mengubah file dengan 2 tambahan dan 5 penghapusan
Download Patch File Download Diff File Expand all files Collapse all files

7
components/pmo/core/src/wlan_pmo_suspend_resume.c
Melihat File

@@ -453,16 +453,13 @@ static void pmo_core_disable_runtime_pm_offloads(struct wlan_objmgr_psoc *psoc)
{ {
uint8_t vdev_id; uint8_t vdev_id;
struct wlan_objmgr_vdev *vdev; struct wlan_objmgr_vdev *vdev;
QDF_STATUS status;
/* Iterate through VDEV list */ /* Iterate through VDEV list */
for (vdev_id = 0; vdev_id < WLAN_UMAC_PSOC_MAX_VDEVS; vdev_id++) { for (vdev_id = 0; vdev_id < WLAN_UMAC_PSOC_MAX_VDEVS; vdev_id++) {
vdev = pmo_psoc_get_vdev(psoc, vdev_id); vdev = wlan_objmgr_get_vdev_by_id_from_psoc(psoc, vdev_id,
WLAN_PMO_ID);
if (!vdev) if (!vdev)
continue; continue;
status = pmo_vdev_get_ref(vdev);
if (QDF_IS_STATUS_ERROR(status))
continue;
pmo_clear_action_frame_patterns(vdev); pmo_clear_action_frame_patterns(vdev);
pmo_vdev_put_ref(vdev); pmo_vdev_put_ref(vdev);