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qcacld-3.0: Fix IPA iface not initilized

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There is a race condition of vdev_to_iface, it is referenced in IPA W2I
callback routine, but it's updated after IPA enable operation. If frames
received right after IPA enabled, callback function will return failure
due to vdev_to_iface value is not filled.

Change-Id: Iff831b66771539d1de4af89e395821dc50d13af3
CRs-Fixed: 2517515
This commit is contained in:
Yu Tian
2019-09-18 15:11:32 +08:00
committed by nshrivas
parent 68d5be2825
commit 0cc79c7e5e
1 changed files with 5 additions and 3 deletions
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8
components/ipa/core/src/wlan_ipa_core.c
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@@ -1865,6 +1865,9 @@ static QDF_STATUS __wlan_ipa_wlan_evt(qdf_netdev_t net_dev, uint8_t device_mode,
goto end; goto end;
} }
ipa_ctx->vdev_to_iface[session_id] =
wlan_ipa_get_ifaceid(ipa_ctx, session_id);
if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config) && if (wlan_ipa_uc_sta_is_enabled(ipa_ctx->config) &&
(ipa_ctx->sap_num_connected_sta > 0 || (ipa_ctx->sap_num_connected_sta > 0 ||
wlan_ipa_is_sta_only_offload_enabled()) && wlan_ipa_is_sta_only_offload_enabled()) &&
@@ -1890,13 +1893,12 @@ static QDF_STATUS __wlan_ipa_wlan_evt(qdf_netdev_t net_dev, uint8_t device_mode,
SIR_STA_RX_DATA_OFFLOAD, SIR_STA_RX_DATA_OFFLOAD,
session_id, session_id,
false); false);
ipa_ctx->vdev_to_iface[session_id] =
WLAN_IPA_MAX_SESSION;
goto end; goto end;
} }
} }
ipa_ctx->vdev_to_iface[session_id] =
wlan_ipa_get_ifaceid(ipa_ctx, session_id);
ipa_ctx->sta_connected = 1; ipa_ctx->sta_connected = 1;
qdf_mutex_release(&ipa_ctx->event_lock); qdf_mutex_release(&ipa_ctx->event_lock);