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qcacld-3.0: Cancel iface_idle_work in HDD exit

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The interface idle timeout work is started at the very end of the SoC
probe process. During rmmod, this timer is proactively canceled, but a
race between probe and rmmod means this cancel is not deterministic. The
mirror operation to probe is remove, so cancel this work at the
beginning of the remove process. This preserves symmetry between probe
and remove, and also deterministically cancels the work, since probe and
remove are properly synchronized.

Change-Id: Idfd68c0ed638dbe810db72d64f301018db45d522
CRs-Fixed: 2309533
This commit is contained in:
Dustin Brown 2018-09-05 09:49:58 -07:00 • committed by nshrivas
commit 6470aba31f
1 changed files with 2 additions and 0 deletions
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2
core/hdd/src/wlan_hdd_main.c
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@ -6988,6 +6988,8 @@ static void hdd_wlan_exit(struct hdd_context *hdd_ctx)
hdd_enter();
qdf_cancel_delayed_work(&hdd_ctx->iface_idle_work);
hdd_unregister_notifiers(hdd_ctx);
#ifdef FEATURE_WLAN_AP_AP_ACS_OPTIMIZE