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qcacmn: cancel ce_tasklet workers during deinit sequence

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Fix tasklet workers leak, make sure to cancel the ce tasklet workqueues
during driver unload/deinit sequence.

Change-Id: I48e0c60f1a8bd9dc5e9cb151e197b3e843eaa0f3
CRs-Fixed: 2244061
This commit is contained in:
Manjunathappa Prakash 2018-05-21 16:32:32 -07:00 • committed by nshrivas
commit a5a30867c4
3 changed files with 20 additions and 1 deletions
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2
hif/src/ce/ce_main.c
View file

@ -2681,6 +2681,7 @@ void hif_unconfig_ce(struct hif_softc *hif_sc)
int pipe_num;
struct HIF_CE_pipe_info *pipe_info;
struct HIF_CE_state *hif_state = HIF_GET_CE_STATE(hif_sc);
struct hif_opaque_softc *hif_hdl = GET_HIF_OPAQUE_HDL(hif_sc);
for (pipe_num = 0; pipe_num < hif_sc->ce_count; pipe_num++) {
pipe_info = &hif_state->pipe_info[pipe_num];
@ -2692,6 +2693,7 @@ void hif_unconfig_ce(struct hif_softc *hif_sc)
qdf_spinlock_destroy(&pipe_info->recv_bufs_needed_lock);
}
}
deinit_tasklet_workers(hif_hdl);
if (hif_sc->athdiag_procfs_inited) {
athdiag_procfs_remove();
hif_sc->athdiag_procfs_inited = false;

16
hif/src/ce/ce_tasklet.c
View file

@ -111,6 +111,22 @@ void init_tasklet_workers(struct hif_opaque_softc *scn)
work_initialized = true;
}
/**
* deinit_tasklet_workers() - deinit_tasklet_workers
* @scn: HIF Context
*
* Return: N/A
*/
void deinit_tasklet_workers(struct hif_opaque_softc *scn)
{
u32 id;
for (id = 0; id < CE_ID_MAX; id++)
cancel_work_sync(&tasklet_workers[id].work);
work_initialized = false;
}
#ifdef HIF_CONFIG_SLUB_DEBUG_ON
/**
* ce_schedule_tasklet() - schedule ce tasklet

3
hif/src/ce/ce_tasklet.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2015-2016 The Linux Foundation. All rights reserved.
* Copyright (c) 2015-2016,2018 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
@ -20,6 +20,7 @@
#define __CE_TASKLET_H__
#include "ce_main.h"
void init_tasklet_workers(struct hif_opaque_softc *scn);
void deinit_tasklet_workers(struct hif_opaque_softc *scn);
void ce_tasklet_init(struct HIF_CE_state *hif_ce_state, uint32_t mask);
void ce_tasklet_kill(struct hif_softc *scn);
int hif_drain_tasklets(struct hif_softc *scn);