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qcacld-3.0: check if non-zero list count before deleting node

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Add a check if list count is non-zero before deleting the node
from IPA tx descriptor list.

Change-Id: I9913c636107686755ffc5da2b585028a4be7a1e9
CRs-Fixed: 2601601
This commit is contained in:
Vevek Venkatesan 2020-01-10 23:39:52 +05:30 • committed by nshrivas
commit 451f996d6b
1 changed files with 6 additions and 4 deletions
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10
components/ipa/core/src/wlan_ipa_core.c
View file

@ -313,9 +313,10 @@ static void wlan_ipa_send_pkt_to_tl(
qdf_spin_lock_bh(&ipa_ctx->q_lock);
/* get free Tx desc and assign ipa_tx_desc pointer */
if (qdf_list_remove_front(&ipa_ctx->tx_desc_free_list,
if (ipa_ctx->tx_desc_free_list.count &&
qdf_list_remove_front(&ipa_ctx->tx_desc_free_list,
(qdf_list_node_t **)&tx_desc) ==
QDF_STATUS_SUCCESS) {
QDF_STATUS_SUCCESS) {
tx_desc->ipa_tx_desc_ptr = ipa_tx_desc;
ipa_ctx->stats.num_tx_desc_q_cnt++;
qdf_spin_unlock_bh(&ipa_ctx->q_lock);
@ -2638,9 +2639,10 @@ static inline void wlan_ipa_free_tx_desc_list(struct wlan_ipa_priv *ipa_ctx)
if (ipa_tx_desc)
qdf_ipa_free_skb(ipa_tx_desc);
if (qdf_list_remove_node(&ipa_ctx->tx_desc_free_list,
if (ipa_ctx->tx_desc_free_list.count &&
qdf_list_remove_node(&ipa_ctx->tx_desc_free_list,
&ipa_ctx->tx_desc_pool[i].node) !=
QDF_STATUS_SUCCESS)
QDF_STATUS_SUCCESS)
ipa_err("Failed to remove node from tx desc freelist");
}
qdf_spin_unlock_bh(&ipa_ctx->q_lock);