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qcacld-3.0: take vdev reference before passing the vdev around

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While STA is connecting we check if SAP is on any of the dfs
channels passing the vdev without taking vdev reference.

SAP interface can be removed in the other thread resulting in
invalid access. So take the vdev reference before passing the
vdev.

Change-Id: I5e1e24c5c8a3f877143bc2fc1b7a5744452ac9c6
CRs-Fixed: 3541378
This commit is contained in:
Arun Kumar Khandavalli
2023-07-11 15:44:36 +05:30
committed by Rahul Choudhary
parent c719dbf10d
commit deb06bc73b
1 changed files with 7 additions and 0 deletions
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7
core/hdd/src/wlan_hdd_cm_connect.c
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@@ -518,12 +518,19 @@ hdd_get_sap_adapter_of_dfs(struct hdd_context *hdd_ctx)
hdd_ctx->dev_dfs_cac_status != DFS_CAC_IN_PROGRESS)
continue;
wlan_objmgr_vdev_get_ref(link_info->vdev,
WLAN_HDD_ID_OBJ_MGR);
chan = wlan_vdev_get_active_channel(link_info->vdev);
if (!chan) {
hdd_debug("Can not get active channel");
wlan_objmgr_vdev_release_ref(link_info->vdev,
WLAN_HDD_ID_OBJ_MGR);
continue;
}
wlan_objmgr_vdev_release_ref(link_info->vdev,
WLAN_HDD_ID_OBJ_MGR);
if (!wlan_reg_is_5ghz_ch_freq(chan->ch_freq))
continue;