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qcacmn: Add timer in use check before cancelling a vdev response timer

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Currently there is no check for whether the timer is in use or not before
cancelling a vdev response timer. Because of this hdd is trying to cancel
a vdev response timer that is not initialized. This is causing crash in
the kernel.

To resolve this issue, add vdev_rsp->rsp_timer_inuse check before
cancelling a vdev response timer.

Change-Id: Ibc82e7698472d11b0803dfc77d654b1ad33aa375
CRs-Fixed: 2630621
This commit is contained in:
Bapiraju Alla 2020-02-27 12:14:23 +05:30 • committed by nshrivas
commit d8981f1ce9
1 changed files with 3 additions and 2 deletions
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5
target_if/mlme/psoc/src/target_if_psoc_timer_tx_ops.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2019 The Linux Foundation. All rights reserved.
* Copyright (c) 2019-2020 The Linux Foundation. All rights reserved.
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
@ -145,7 +145,8 @@ void target_if_flush_psoc_vdev_timers(struct wlan_objmgr_psoc *psoc)
for (i = 0; i < WLAN_UMAC_PSOC_MAX_VDEVS; i++) {
vdev_rsp = rx_ops->psoc_get_vdev_response_timer_info(psoc,
i);
if (vdev_rsp && qdf_timer_sync_cancel(&vdev_rsp->rsp_timer))
if (vdev_rsp && qdf_atomic_read(&vdev_rsp->rsp_timer_inuse) &&
qdf_timer_sync_cancel(&vdev_rsp->rsp_timer))
target_if_vdev_mgr_rsp_timer_cb(vdev_rsp);
}
}