samsung-sm8650/android_kernel_samsung_sm8650-modules
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qcacmn: Fix mem leaks in datapath

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Fix mem leaks reported in datapath code during module unload.

Change-Id: Ife95426df11d61b253110ed7153fe8f8981006ed
CRs-fixed: 2044907
This commit is contained in:
Manikandan Mohan
2017-05-09 18:03:19 -07:00
committed by snandini
parent ae6d6f42ec
commit b01696ba61
3 changed files with 17 additions and 10 deletions
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5
dp/wifi3.0/dp_main.c
View File

@@ -1371,6 +1371,7 @@ static void dp_pdev_detach_wifi3(struct cdp_pdev *txrx_pdev, int force)
soc->pdev_list[pdev->pdev_id] = NULL;
soc->pdev_count--;
wlan_cfg_pdev_detach(pdev->wlan_cfg_ctx);
qdf_mem_free(pdev);
}
@@ -1427,10 +1428,9 @@ static void dp_soc_detach_wifi3(void *txrx_soc)
/* Common rings */
dp_srng_cleanup(soc, &soc->wbm_desc_rel_ring, SW2WBM_RELEASE, 0);
dp_tx_soc_detach(soc);
/* Tx data rings */
if (!wlan_cfg_per_pdev_tx_ring(soc->wlan_cfg_ctx)) {
dp_tx_soc_detach(soc);
for (i = 0; i < soc->num_tcl_data_rings; i++) {
dp_srng_cleanup(soc, &soc->tcl_data_ring[i],
TCL_DATA, i);
@@ -1477,6 +1477,7 @@ static void dp_soc_detach_wifi3(void *txrx_soc)
htt_soc_detach(soc->htt_handle);
dp_reo_desc_freelist_destroy(soc);
wlan_cfg_soc_detach(soc->wlan_cfg_ctx);
qdf_mem_free(soc);
}

7
dp/wifi3.0/dp_rx_desc.c
View File

@@ -55,11 +55,13 @@ QDF_STATUS dp_rx_desc_pool_alloc(struct dp_soc *soc, uint32_t pool_id,
rx_desc_pool->array[i].next = &rx_desc_pool->array[i+1];
rx_desc_pool->array[i].rx_desc.cookie = i | (pool_id << 18);
rx_desc_pool->array[i].rx_desc.pool_id = pool_id;
rx_desc_pool->array[i].rx_desc.nbuf = NULL;
}
rx_desc_pool->array[i].next = NULL;
rx_desc_pool->array[i].rx_desc.cookie = i | (pool_id << 18);
rx_desc_pool->array[i].rx_desc.pool_id = pool_id;
rx_desc_pool->array[i].rx_desc.nbuf = NULL;
qdf_spin_unlock_bh(&soc->rx_desc_mutex[pool_id]);
return QDF_STATUS_SUCCESS;
}
@@ -75,8 +77,13 @@ QDF_STATUS dp_rx_desc_pool_alloc(struct dp_soc *soc, uint32_t pool_id,
void dp_rx_desc_pool_free(struct dp_soc *soc, uint32_t pool_id,
struct rx_desc_pool *rx_desc_pool)
{
int i;
qdf_spin_lock_bh(&soc->rx_desc_mutex[pool_id]);
for (i = 0; i < rx_desc_pool->pool_size; i++) {
if (rx_desc_pool->array[i].rx_desc.nbuf)
qdf_nbuf_free(rx_desc_pool->array[i].rx_desc.nbuf);
}
qdf_mem_free(rx_desc_pool->array);
qdf_spin_unlock_bh(&soc->rx_desc_mutex[pool_id]);
}

9
hif/src/pcie/if_pci.c
View File

@@ -1310,6 +1310,8 @@ static void hif_pm_runtime_close(struct hif_pci_softc *sc)
{
struct hif_softc *scn = HIF_GET_SOFTC(sc);
hif_runtime_lock_deinit(GET_HIF_OPAQUE_HDL(sc),
sc->prevent_linkdown_lock);
if (qdf_atomic_read(&sc->pm_state) == HIF_PM_RUNTIME_STATE_NONE)
return;
else
@@ -4400,20 +4402,17 @@ void hif_runtime_lock_deinit(struct hif_opaque_softc *hif_ctx,
struct hif_pm_runtime_lock *context = data;
struct hif_pci_softc *sc = HIF_GET_PCI_SOFTC(hif_ctx);
if (!sc)
return;
if (!context)
return;
/*
* Ensure to delete the context list entry and reduce the usage count
* before freeing the context if context is active.
*/
if (sc) {
spin_lock_bh(&sc->runtime_lock);
__hif_pm_runtime_allow_suspend(sc, context);
spin_unlock_bh(&sc->runtime_lock);
}
qdf_mem_free(context);
}
#endif /* FEATURE_RUNTIME_PM */