From patchwork Thu Mar 21 12:26:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Antipov X-Patchwork-Id: 782251 Received: from forward204b.mail.yandex.net (forward204b.mail.yandex.net [178.154.239.153]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 59D367F7D9 for ; Thu, 21 Mar 2024 12:33:57 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.154.239.153 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711024441; cv=none; b=VLzB2pgu0dl4NLKkelBGoRTFv0i8SIv1AqPJJV/uKrkq2NmXnbh0kAR7fKmChQTXH201WNM3Y5VjE5ywNI5NshWfrWZBi+mqsB8STGdw0oymrES1uhidPOO6dC1EbAwOsSumPV3dIgX/qhhhkaoArCaR5RZnP5WFQRZu/RukMZU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711024441; c=relaxed/simple; bh=PtDqehgiZjGqaYRLJ1LInswJsoMujpL93mYoWMmHjaM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=qAfIXxGKsTnJWReYXLBKt8Q+GuKfxvRPOXsYq06hotzSU394YuepH65E7GBnMfrhmikTLfstz84Uj3Fw2RpSSH2DPEbutdOGOZIgLKXZfwChS8fcRVGRhjXOJJ12z/XnQmWSgwhGjqI70zfG3cWKNs6fdCWnidt1TZgMr2TbQ0o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yandex.ru; spf=pass smtp.mailfrom=yandex.ru; dkim=pass (1024-bit key) header.d=yandex.ru header.i=@yandex.ru header.b=pTRm3stU; arc=none smtp.client-ip=178.154.239.153 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=yandex.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=yandex.ru Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=yandex.ru header.i=@yandex.ru header.b="pTRm3stU" Received: from forward101c.mail.yandex.net (forward101c.mail.yandex.net [IPv6:2a02:6b8:c03:500:1:45:d181:d101]) by forward204b.mail.yandex.net (Yandex) with ESMTPS id AC07B68525 for ; Thu, 21 Mar 2024 15:26:53 +0300 (MSK) Received: from mail-nwsmtp-smtp-production-main-42.myt.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-42.myt.yp-c.yandex.net [IPv6:2a02:6b8:c12:5199:0:640:a94b:0]) by forward101c.mail.yandex.net (Yandex) with ESMTPS id 827226090B; Thu, 21 Mar 2024 15:26:45 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-42.myt.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id iQFJU6D5SKo0-F39a4S8e; Thu, 21 Mar 2024 15:26:44 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex.ru; s=mail; t=1711024004; bh=ikBKJe8G+BSFYuRMygFBfR6VFJStppmJ7luUz8EciC4=; h=Message-ID:Date:Cc:Subject:To:From; b=pTRm3stUGj6W/4Z6gOfvqhBhL5nW05uHfbcC5g2QGCKsoq4U/zZta6V3nPWG3OvGs j4UYIU2IvoCuOlkCyeb06MOdc2ZoH8O9uv/oIcK3ZWKoPmamV5RqfQnXpQkrX663Ny DbJXlEkigAwPK1a1T0eqzUaphNUuxl5DlflNzV88= Authentication-Results: mail-nwsmtp-smtp-production-main-42.myt.yp-c.yandex.net; dkim=pass header.i=@yandex.ru From: Dmitry Antipov To: =?utf-8?q?Toke_H=C3=B8iland-J=C3=B8rgensen?= Cc: Kalle Valo , linux-wireless@vger.kernel.org, lvc-project@linuxtesting.org, Dmitry Antipov Subject: [PATCH] wifi: ath9k: cleanup ath_tx_complete_aggr() Date: Thu, 21 Mar 2024 15:26:42 +0300 Message-ID: <20240321122642.175645-1-dmantipov@yandex.ru> X-Mailer: git-send-email 2.44.0 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Since 'skb', 'tx_info' and 'fi' are actually used within buffers processing loop only, move them inside the latter and avoid some redundant initialization at the beginning of 'ath_tx_complete_aggr()'. Compile tested only. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Dmitry Antipov --- drivers/net/wireless/ath/ath9k/xmit.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index d519b676a109..657862be45e5 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -491,8 +491,6 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, struct ath_tx_status *ts, int txok) { struct ath_node *an = NULL; - struct sk_buff *skb; - struct ieee80211_tx_info *tx_info; struct ath_buf *bf_next, *bf_last = bf->bf_lastbf; struct list_head bf_head; struct sk_buff_head bf_pending; @@ -501,15 +499,11 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0; bool rc_update = true, isba; struct ieee80211_tx_rate rates[4]; - struct ath_frame_info *fi; int nframes; bool flush = !!(ts->ts_status & ATH9K_TX_FLUSH); int i, retries; int bar_index = -1; - skb = bf->bf_mpdu; - tx_info = IEEE80211_SKB_CB(skb); - memcpy(rates, bf->rates, sizeof(rates)); retries = ts->ts_longretry + 1; @@ -571,14 +565,13 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, ath_tx_count_frames(sc, bf, ts, txok, &nframes, &nbad); while (bf) { u16 seqno = bf->bf_state.seqno; + struct sk_buff *skb = bf->bf_mpdu; + struct ath_frame_info *fi = get_frame_info(skb); + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); txfail = txpending = sendbar = 0; bf_next = bf->bf_next; - skb = bf->bf_mpdu; - tx_info = IEEE80211_SKB_CB(skb); - fi = get_frame_info(skb); - if (!BAW_WITHIN(tid->seq_start, tid->baw_size, seqno) || !tid->active) { /*