Hi Michal,
FYI, there are new smatch warnings show up in
tree: git://github.com/kvalo/ath ath-next-test
head: 4e53f6a3f1aac1a4a2d18f487f6e570b9402adc7
commit: 20b784ea3fb89de48c794cd889104aba64242f3b [38/45] [RFC/RFT 4/7] ath10k:
bypass htc for htt tx path
drivers/net/wireless/ath/ath10k/htt_tx.c:505 ath10k_htt_tx() warn: potential
pointer math issue ('skb_cb->htt.txbuf' is a 352 bit pointer)
git remote add ath6kl git://github.com/kvalo/ath
git remote update ath6kl
git checkout 20b784ea3fb89de48c794cd889104aba64242f3b
vim +505 drivers/net/wireless/ath/ath10k/htt_tx.c
20b784ea Michal Kazior 2014-02-17 489
skb_cb->htt.txbuf->cmd_tx.flags0 = flags0;
20b784ea Michal Kazior 2014-02-17 490
skb_cb->htt.txbuf->cmd_tx.flags1 = __cpu_to_le16(flags1);
20b784ea Michal Kazior 2014-02-17 491 skb_cb->htt.txbuf->cmd_tx.len
= __cpu_to_le16(msdu->len);
20b784ea Michal Kazior 2014-02-17 492 skb_cb->htt.txbuf->cmd_tx.id
= __cpu_to_le16(msdu_id);
20b784ea Michal Kazior 2014-02-17 493
skb_cb->htt.txbuf->cmd_tx.frags_paddr = __cpu_to_le32(frags_paddr);
20b784ea Michal Kazior 2014-02-17 494
skb_cb->htt.txbuf->cmd_tx.peerid = __cpu_to_le32(HTT_INVALID_PEERID);
20b784ea Michal Kazior 2014-02-17 495
20b784ea Michal Kazior 2014-02-17 496 ath10k_dbg(ATH10K_DBG_HTT,
20b784ea Michal Kazior 2014-02-17 497 "htt tx flags0 %hhu
flags1 %hu len %d id %hu frags_paddr %08x, msdu_paddr %08x vdev %hhu tid
%hhu\n",
20b784ea Michal Kazior 2014-02-17 498 flags0, flags1,
msdu->len, msdu_id, frags_paddr,
20b784ea Michal Kazior 2014-02-17 499 (u32)skb_cb->paddr,
vdev_id, tid);
20b784ea Michal Kazior 2014-02-17 500
ath10k_dbg_dump(ATH10K_DBG_HTT_DUMP, NULL, "htt tx msdu: ",
20b784ea Michal Kazior 2014-02-17 501 msdu->data,
msdu->len);
5e3dd157 Kalle Valo 2013-06-12 502
20b784ea Michal Kazior 2014-02-17 503 sg_items[0].transfer_id = 0;
20b784ea Michal Kazior 2014-02-17 504 sg_items[0].transfer_context =
NULL;
20b784ea Michal Kazior 2014-02-17 @505 sg_items[0].vaddr =
skb_cb->htt.txbuf +
20b784ea Michal Kazior 2014-02-17 506
sizeof(skb_cb->htt.txbuf->frags);
20b784ea Michal Kazior 2014-02-17 507 sg_items[0].paddr =
skb_cb->htt.txbuf_paddr +
20b784ea Michal Kazior 2014-02-17 508
sizeof(skb_cb->htt.txbuf->frags);
20b784ea Michal Kazior 2014-02-17 509 sg_items[0].len =
sizeof(skb_cb->htt.txbuf->htc_hdr) +
20b784ea Michal Kazior 2014-02-17 510
sizeof(skb_cb->htt.txbuf->cmd_hdr) +
20b784ea Michal Kazior 2014-02-17 511
sizeof(skb_cb->htt.txbuf->cmd_tx);
20b784ea Michal Kazior 2014-02-17 512
20b784ea Michal Kazior 2014-02-17 513 sg_items[1].transfer_id = 0;
---
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