From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f41.google.com (mail-ot1-f41.google.com [209.85.210.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 186FD378D9A for ; Fri, 4 Sep 2026 01:34:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.41 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788485661; cv=none; b=pN68mycXB48usTgDLn8XfhvX0RgiKWBEoJPTOUEVDJqmcR6xcFkOtv1myW8RrD3U4YKLFwzEICz6MRZo7ExpHIJ3Paq5CqIfyTzbLp05Z7jqi8hr8xaPb0Lw/vrc5ikAzLCRgGcKzUUqaugafnKK/lT2rEFLmPmmOx3h/G8wKHQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788485661; c=relaxed/simple; bh=mp+W/NanRi6LcS0jIyEjAdqNQV6N3tjeFQnIyxmGDfA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Ir4h/rG+9gn+MbpRzkes8Hu6l3GDDx1or2O4W9IGJnbcvZVDwzUs4w62shvBirJIeanqCe2v2vYZANCNnV1StHSOV3YGhkNBziU6PAkOsQEL7CNNXpI9PSM0g5ti9EFd+OUHppZsWhdcXE6KeRcB7fR3mfcpVpIn8rqaTTzCJtA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=gqkZ6vA+; arc=none smtp.client-ip=209.85.210.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="gqkZ6vA+" Received: by mail-ot1-f41.google.com with SMTP id 46e09a7af769-7e9fc3de7ceso252431a34.1 for ; Thu, 03 Sep 2026 18:34:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1788485659; x=1789090459; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=xnSRfmxyuoGSVIEIapT3+f2N+j9Dyvafdc53a5iR7kI=; b=gqkZ6vA+bxBYWvZXv5QDaxrG+jr6Uj3iDEU0d7h3LLScyxpyG+FtRg60BqZ+G+wdQ9 j7PL9IsGXeBoWlQfZ4b+I7gJ9AbGFg6XVRf6NyJbg/H3ZYuwLLrBnvhf5HZIgLNPWO2e iwXfeGrkGR6Da1FaCacMKtUk4zxwTtHDeyaqMzwN0JCg5XX4EC2z5DxHfF1Y+bnDcWTo 19yNJSqELtsmr89POnKIipq/WnqGFnnCXe8hRnZIbtAsQzprPDOHwUpjT4iMK0P2pB4o HjWJQKAApjOgd1iIwciv7adGzVnBP5sLe34ysDaNoCaClk02KVoLjihF58htQZJivcwk Ue9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1788485659; x=1789090459; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :content-type:mime-version:subject:date:from:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=xnSRfmxyuoGSVIEIapT3+f2N+j9Dyvafdc53a5iR7kI=; b=mL01a/6wI6GegL0igMOJUQnV8xhGR4TFfp3TPFDBbt+3ET14QX+RgvxaApzXeQLMma s0niYXysgVpws/YvT0bzYheObD24JJnLzCBZejmFSzgUQNOKuD8Y6GPAp0A7SBcwsJm9 uS7+/waEc04X9gzPWaH5ff6xKpP5lipB2A5vQiJAPVncivuUK/Aitu2LJoqohkJFQilq 4Yo7aX+zYWrXcBeMoMRNfSkywoeqndGy91w1CbWKefZLV8DHpmasYuVbAd3o4oBQwnaH PavxDy0n0KepJEeoCyYDeD7trqpWjRSAQroRQUqd9bKD2yG6sW3/If3vw+BGTcP/vBg4 hvoA== X-Forwarded-Encrypted: i=1; AKwUvBwCwkz/b2p7N5owce7WHtDmG2zkeI2KhmJQnmJJr5KTYnRLXkD6TSQRdJwdhzHyA0HemHJDz/cwDPwSz8k=@vger.kernel.org X-Gm-Message-State: AFuF++llSQLVd3yTmZgN71tb6PQEdofPrYWmvYlrr4cZU4canbjezBTF SehXe2eG0L9mcaiiHpWJYe8GqgIEEI6iA0IWGqIBKAJAhZoNDjBoqIEH X-Gm-Gg: AYBFou3sT5bRfqsmzgUFFUmTh/Vm9JXvxIZQ1VLxFmzm+0R3WXyKxsDzPaR8dvVfT3Z 53lXkjLS/FNkSiXQQEUpvigOAPZwpoSvlc49pGAaJ0oLNoy/9aQuvLLk/NYXec9uvdPw7MSsQP0 Af+k5MQrg0zwt5iJSaklQCHG1CdDBFqKF+4YuotD1WolBPIHydQiYOoq5CeLFA6XJwFo0SxHY4o pIbQrybs4987DWG4r+7UIYVHEgZ59LEYh2SbdTD/S9rvmxG0rGu++RobyivkZul4Fovo6re054P MWig0QntH8gSdn7u0n9BKjQ9gKGHo2nl+SqmVWwkDkPiGjJwYgyrp0DFXTL162gyiU3UxH96Riy LFTx3P71FQ8msHAViubHZDPnuhZckNUxa/YbLYicH348+gG+4uXyU92ZuSGk9SQ375JwIw73Ly2 iqnrvWzAlRQd+0AbYV8Xd2AGEseaUzz6VL1UQwG+NlyZRs+fAZ7q0iibMd9w== X-Received: by 2002:a05:6830:838d:b0:7d7:4fc7:21a with SMTP id 46e09a7af769-7fa1ff66b12mr2869051a34.13.1788485658946; Thu, 03 Sep 2026 18:34:18 -0700 (PDT) Received: from localhost ([2a03:2880:30ff:40::]) by smtp.gmail.com with ESMTPSA id 46e09a7af769-7f9f470a34fsm1740895a34.3.2026.09.03.18.34.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Sep 2026 18:34:18 -0700 (PDT) From: Daniel Zahka Date: Thu, 03 Sep 2026 18:33:59 -0700 Subject: [PATCH net-next 1/4] psp: refactor psp_dev_tx_key_del() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260903-psp-prep-v1-1-d47e9c4c375d@gmail.com> References: <20260903-psp-prep-v1-0-d47e9c4c375d@gmail.com> In-Reply-To: <20260903-psp-prep-v1-0-d47e9c4c375d@gmail.com> To: Jakub Kicinski , Willem de Bruijn , "David S. Miller" , Eric Dumazet , Paolo Abeni , Simon Horman , Andrew Lunn Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.13.0 No functional changes. Lift the list deletion and tx spi validation code into callers. Deferred key deletion code paths will need similar checks that a tx key needs removal from the underlying device, but will diverge when it comes to list handling and when to call psp_dev_ops::tx_key_del(). Also, move the predicate for tx key deletion into a helper for readability and reuse in later patches. Signed-off-by: Daniel Zahka --- net/psp/psp.h | 6 ++++++ net/psp/psp_main.c | 7 +++++-- net/psp/psp_sock.c | 11 ++++++----- 3 files changed, 17 insertions(+), 7 deletions(-) diff --git a/net/psp/psp.h b/net/psp/psp.h index 86eeba823ced..8acf9ca84b55 100644 --- a/net/psp/psp.h +++ b/net/psp/psp.h @@ -53,4 +53,10 @@ static inline bool psp_dev_is_registered(struct psp_dev *psd) return !!psd->ops; } +static inline bool psp_assoc_needs_tx_key_del(struct psp_assoc *pas) +{ + lockdep_assert_held(&pas->psd->lock); + return pas->tx.spi; +} + #endif /* __PSP_PSP_H */ diff --git a/net/psp/psp_main.c b/net/psp/psp_main.c index c9c1a8826b7f..2556f0d46ef4 100644 --- a/net/psp/psp_main.c +++ b/net/psp/psp_main.c @@ -147,8 +147,11 @@ void psp_dev_unregister(struct psp_dev *psd) list_splice_init(&psd->active_assocs, &psd->prev_assocs); list_splice_init(&psd->prev_assocs, &psd->stale_assocs); - list_for_each_entry_safe(pas, next, &psd->stale_assocs, assocs_list) - psp_dev_tx_key_del(psd, pas); + list_for_each_entry_safe(pas, next, &psd->stale_assocs, assocs_list) { + if (psp_assoc_needs_tx_key_del(pas)) + psp_dev_tx_key_del(psd, pas); + list_del(&pas->assocs_list); + } list_for_each_entry_safe(entry, entry_tmp, &psd->assoc_dev_list, dev_list) { diff --git a/net/psp/psp_sock.c b/net/psp/psp_sock.c index 1a2a6b7516b0..045389671d7f 100644 --- a/net/psp/psp_sock.c +++ b/net/psp/psp_sock.c @@ -85,9 +85,7 @@ static int psp_dev_tx_key_add(struct psp_dev *psd, struct psp_assoc *pas, void psp_dev_tx_key_del(struct psp_dev *psd, struct psp_assoc *pas) { - if (pas->tx.spi) - psd->ops->tx_key_del(psd, pas); - list_del(&pas->assocs_list); + psd->ops->tx_key_del(psd, pas); } static void psp_assoc_free(struct work_struct *work) @@ -96,8 +94,11 @@ static void psp_assoc_free(struct work_struct *work) struct psp_dev *psd = pas->psd; mutex_lock(&psd->lock); - if (psp_dev_is_registered(psd)) - psp_dev_tx_key_del(psd, pas); + if (psp_dev_is_registered(psd)) { + if (psp_assoc_needs_tx_key_del(pas)) + psp_dev_tx_key_del(psd, pas); + list_del(&pas->assocs_list); + } mutex_unlock(&psd->lock); psp_dev_put(psd); kfree(pas); -- 2.52.0