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Merge "msm: ipa: Fix to free up all pending EOB pages"

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qctecmdr 2021-09-29 10:51:08 -07:00 • committed by Gerrit - the friendly Code Review server
commit 7db2d04afd
1 changed files with 14 additions and 10 deletions
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24
drivers/platform/msm/ipa/ipa_v3/ipa_dp.c
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@ -3658,17 +3658,21 @@ static struct sk_buff *handle_page_completion(struct gsi_chan_xfer_notify
sys->ep->client == IPA_CLIENT_APPS_LAN_CONS) {
rx_skb = alloc_skb(0, GFP_ATOMIC);
if (unlikely(!rx_skb)) {
IPAERR("skb alloc failure\n");
list_del(&rx_pkt->link);
if (!rx_page.is_tmp_alloc) {
init_page_count(rx_page.page);
} else {
dma_unmap_page(ipa3_ctx->pdev, rx_page.dma_addr,
rx_pkt->len, DMA_FROM_DEVICE);
__free_pages(rx_pkt->page_data.page,
IPA_WAN_PAGE_ORDER);
IPAERR("skb alloc failure, free all pending pages\n");
list_for_each_entry_safe(rx_pkt, tmp, head, link) {
rx_page = rx_pkt->page_data;
size = rx_pkt->data_len;
list_del_init(&rx_pkt->link);
if (!rx_page.is_tmp_alloc) {
init_page_count(rx_page.page);
} else {
dma_unmap_page(ipa3_ctx->pdev, rx_page.dma_addr,
rx_pkt->len, DMA_FROM_DEVICE);
__free_pages(rx_pkt->page_data.page,
IPA_WAN_PAGE_ORDER);
}
rx_pkt->sys->free_rx_wrapper(rx_pkt);
}
rx_pkt->sys->free_rx_wrapper(rx_pkt);
IPA_STATS_INC_CNT(ipa3_ctx->stats.rx_page_drop_cnt);
return NULL;
}