From nobody Mon Feb 9 07:52:38 2026 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 95C532F12D7 for ; Fri, 17 Oct 2025 15:00:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.203.201.7 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760713238; cv=none; b=n2IBVXtxqKvODC4UEjpgDKJqbQmIfndPPSkZvV10vlkwxLdbaXUufO6GMQP/XpURyj+8mauez9VGXuudiRmxeOCeOCwIm9BLWcREcYKtdBScUJECY4jWBlSx8vHk2bWww3sKCusRnsyCAQU5ITOzGLU+UXjgJPvKS5o05LJStx8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760713238; c=relaxed/simple; bh=xRvDLRixebYPSYwTuPzWzUvQiPgr3KsCHUzve9UgeMQ=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=r9HEPBFr0wtGNM9fmSw2POoF1G3qLXOkpcaf+xqPTH0/qftAU+7PuYnWAsoV6usGUHT4/3RqGbj5F+OfNWWLTjIO5VD5JLc3ovC5q9WdZatP9pgSa5W5woG9NO7+v/qn02QStTKGSqJmOgusUFY4EO4R+WWemhP77JrbzPtoEHo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de; spf=pass smtp.mailfrom=pengutronix.de; arc=none smtp.client-ip=185.203.201.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pengutronix.de Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1v9lwJ-00028D-Pd; Fri, 17 Oct 2025 17:00:19 +0200 Received: from moin.white.stw.pengutronix.de ([2a0a:edc0:0:b01:1d::7b] helo=bjornoya.blackshift.org) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1v9lwI-0044jX-3B; Fri, 17 Oct 2025 17:00:19 +0200 Received: from hardanger.blackshift.org (p54b152ce.dip0.t-ipconnect.de [84.177.82.206]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: mkl-all@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id A0CA4489289; Fri, 17 Oct 2025 15:00:18 +0000 (UTC) From: Marc Kleine-Budde Date: Fri, 17 Oct 2025 16:59:59 +0200 Subject: [PATCH can 1/3] can: bxcan: bxcan_start_xmit(): use can_dev_dropped_skb() instead of can_dropped_invalid_skb() 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: quoted-printable Message-Id: <20251017-fix-skb-drop-check-v1-1-556665793fa4@pengutronix.de> References: <20251017-fix-skb-drop-check-v1-0-556665793fa4@pengutronix.de> In-Reply-To: <20251017-fix-skb-drop-check-v1-0-556665793fa4@pengutronix.de> To: Dario Binacchi , Vincent Mailhol , Oliver Hartkopp , =?utf-8?q?Stefan_M=C3=A4tje?= , socketcan@esd.eu, Heiko Stuebner Cc: kernel@pengutronix.de, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, Marc Kleine-Budde X-Mailer: b4 0.15-dev-2196b X-Developer-Signature: v=1; a=openpgp-sha256; l=1070; i=mkl@pengutronix.de; h=from:subject:message-id; bh=xRvDLRixebYPSYwTuPzWzUvQiPgr3KsCHUzve9UgeMQ=; b=owEBbQGS/pANAwAKAQx0Zd/5kJGcAcsmYgBo8ln88IspOhek6G2ZvTtEwUJ3WTyKkZgEMRnh/ Xvh67H1RCmJATMEAAEKAB0WIQSf+wzYr2eoX/wVbPMMdGXf+ZCRnAUCaPJZ/AAKCRAMdGXf+ZCR nIuUB/9w+vSk2ohkks7AVj4R3v9dUk0UVMeZh6rLYXJttbgEDD5Iv1UYMk2x8GtaF+ZDd/GtVU5 nUsNekRejup2UXxGHA5RcfV0NccrtMld77ji+CTAGLJC5W2pk5BX68ymXPgVUYnOgbz8rtxZEji 7WlOq/5rId3SDasoTD65ab5l8QXfMos5rZyq0lubMlT87lZSCQ0h3a242+mEUqq0GyHjDq1FDC5 7QMoYNtWIeB2CXW7IjEkaeVn6dwnmTSErotlhsWX8x5IMnvwteY4GAll2Sfnb5Q6tvqBaUa2Fmz oymQfHOG1wvdzJaSKWrlHeKgln1Ym4K1HBNTxk+0KTYHh/KN X-Developer-Key: i=mkl@pengutronix.de; a=openpgp; fpr=C1400BA0B3989E6FBC7D5B5C2B5EE211C58AEA54 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org In addition to can_dropped_invalid_skb(), the helper function can_dev_dropped_skb() checks whether the device is in listen-only mode and discards the skb accordingly. Replace can_dropped_invalid_skb() by can_dev_dropped_skb() to also drop skbs in for listen-only mode. Reported-by: Marc Kleine-Budde Closes: https://lore.kernel.org/all/20251017-bizarre-enchanted-quokka-f3c70= 4-mkl@pengutronix.de/ Fixes: f00647d8127b ("can: bxcan: add support for ST bxCAN controller") Signed-off-by: Marc Kleine-Budde --- drivers/net/can/bxcan.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/bxcan.c b/drivers/net/can/bxcan.c index bfc60eb33dc3..333ad42ea73b 100644 --- a/drivers/net/can/bxcan.c +++ b/drivers/net/can/bxcan.c @@ -842,7 +842,7 @@ static netdev_tx_t bxcan_start_xmit(struct sk_buff *skb, u32 id; int i, j; =20 - if (can_dropped_invalid_skb(ndev, skb)) + if (can_dev_dropped_skb(ndev, skb)) return NETDEV_TX_OK; =20 if (bxcan_tx_busy(priv)) --=20 2.51.0 From nobody Mon Feb 9 07:52:38 2026 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 5E13632C948 for ; 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Fri, 17 Oct 2025 15:00:18 +0000 (UTC) From: Marc Kleine-Budde Date: Fri, 17 Oct 2025 17:00:00 +0200 Subject: [PATCH can 2/3] can: esd: acc_start_xmit(): use can_dev_dropped_skb() instead of can_dropped_invalid_skb() 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: quoted-printable Message-Id: <20251017-fix-skb-drop-check-v1-2-556665793fa4@pengutronix.de> References: <20251017-fix-skb-drop-check-v1-0-556665793fa4@pengutronix.de> In-Reply-To: <20251017-fix-skb-drop-check-v1-0-556665793fa4@pengutronix.de> To: Dario Binacchi , Vincent Mailhol , Oliver Hartkopp , =?utf-8?q?Stefan_M=C3=A4tje?= , socketcan@esd.eu, Heiko Stuebner Cc: kernel@pengutronix.de, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, Marc Kleine-Budde X-Mailer: b4 0.15-dev-2196b X-Developer-Signature: v=1; a=openpgp-sha256; l=1181; i=mkl@pengutronix.de; h=from:subject:message-id; bh=F4a/XMUroicMRAYsm6IQd8Sb7/zo6UMhiCf/jB5UKcA=; b=owEBbQGS/pANAwAKAQx0Zd/5kJGcAcsmYgBo8ln+Ky5PD8g/b+iC8YlHzgku2aPt+KmkZSjxG LCPwGfVZs6JATMEAAEKAB0WIQSf+wzYr2eoX/wVbPMMdGXf+ZCRnAUCaPJZ/gAKCRAMdGXf+ZCR nD9OB/9HSM0rxxe1NUTauClQoPA95TEmusUCxgUDXWHYlfwjPJbSmhlwYpj03L3MfQLS3w7Q4g/ fzMGbdGgTLb7xxkcRWKXU2N+vK3s1mgp12/OExQuOrX78mqlI06dexI3qvDpyMxQ65ImqN+gDEh hOMuJsXIkPoCNP+VY+iYETzZf8TLyvCzyP2v5nA1WEgcgMq6sQyAHW2QczVT8isqVFNoeEF274z ZFOdYCyVkmvhwDwAmCp0+yEbYH8o03ipDv5RHQhaiuPO/uUNgSsahn71LzCUfPIBCYwxOyh9pgY IKX027FSBam3ZCgx2ewbUT70+Xg+QUz6BvrxehjH9kWagBft X-Developer-Key: i=mkl@pengutronix.de; a=openpgp; fpr=C1400BA0B3989E6FBC7D5B5C2B5EE211C58AEA54 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org In addition to can_dropped_invalid_skb(), the helper function can_dev_dropped_skb() checks whether the device is in listen-only mode and discards the skb accordingly. Replace can_dropped_invalid_skb() by can_dev_dropped_skb() to also drop skbs in for listen-only mode. Reported-by: Marc Kleine-Budde Closes: https://lore.kernel.org/all/20251017-bizarre-enchanted-quokka-f3c70= 4-mkl@pengutronix.de/ Fixes: 9721866f07e1 ("can: esd: add support for esd GmbH PCIe/402 CAN inter= face family") Signed-off-by: Marc Kleine-Budde --- drivers/net/can/esd/esdacc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/esd/esdacc.c b/drivers/net/can/esd/esdacc.c index c80032bc1a52..73e66f9a3781 100644 --- a/drivers/net/can/esd/esdacc.c +++ b/drivers/net/can/esd/esdacc.c @@ -254,7 +254,7 @@ netdev_tx_t acc_start_xmit(struct sk_buff *skb, struct = net_device *netdev) u32 acc_id; u32 acc_dlc; =20 - if (can_dropped_invalid_skb(netdev, skb)) + if (can_dev_dropped_skb(netdev, skb)) return NETDEV_TX_OK; =20 /* Access core->tx_fifo_tail only once because it may be changed --=20 2.51.0 From nobody Mon Feb 9 07:52:38 2026 Received: from metis.whiteo.stw.pengutronix.de (metis.whiteo.stw.pengutronix.de [185.203.201.7]) (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 628372F691E for ; 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Fri, 17 Oct 2025 15:00:18 +0000 (UTC) From: Marc Kleine-Budde Date: Fri, 17 Oct 2025 17:00:01 +0200 Subject: [PATCH can 3/3] can: rockchip-canfd: rkcanfd_start_xmit(): use can_dev_dropped_skb() instead of can_dropped_invalid_skb() 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: quoted-printable Message-Id: <20251017-fix-skb-drop-check-v1-3-556665793fa4@pengutronix.de> References: <20251017-fix-skb-drop-check-v1-0-556665793fa4@pengutronix.de> In-Reply-To: <20251017-fix-skb-drop-check-v1-0-556665793fa4@pengutronix.de> To: Dario Binacchi , Vincent Mailhol , Oliver Hartkopp , =?utf-8?q?Stefan_M=C3=A4tje?= , socketcan@esd.eu, Heiko Stuebner Cc: kernel@pengutronix.de, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, Marc Kleine-Budde X-Mailer: b4 0.15-dev-2196b X-Developer-Signature: v=1; a=openpgp-sha256; l=1226; i=mkl@pengutronix.de; h=from:subject:message-id; bh=do8Wgxd/SePEpeQkAsWrN+ulD9bfSWdKS4T6ApEwOUo=; b=owEBbQGS/pANAwAKAQx0Zd/5kJGcAcsmYgBo8loAzlnTFkscuFLWoJevL9wZCAxD/XhVtKVyT 9cJR3/TvYyJATMEAAEKAB0WIQSf+wzYr2eoX/wVbPMMdGXf+ZCRnAUCaPJaAAAKCRAMdGXf+ZCR nFH3B/9qk6/QRm+Ue+6x+T4+qzokomC+tS3HS7duJg/kTEO0kLDl0XBKzZ8c3pRByh+d6fNMbHc RYV3oGCG6S6P5FokWoSfxTxb2S0KdrpooyWsiOagVv2RDy9qWlzr9GG+IFqF4tXB4InOKq+rcts MfayrVhn1ONZxd+WkCIxVEgZ7EsiJfEz57jFqJ2/S7xH04URxxmSwYj5WwJ0tMSAwHHn6X3vJ1v OLuZwfKs4GFwihpejvX5cx0dKmQOZZveBwM+UJ8bmFfOYJ0+X3FQpwM9poSR7HUvn1WZ7ReuPFa l+dtdTeUuQmTFx7LqiYzUSPxju6tTkf/ciJFQSWKfgkN4z/2 X-Developer-Key: i=mkl@pengutronix.de; a=openpgp; fpr=C1400BA0B3989E6FBC7D5B5C2B5EE211C58AEA54 X-SA-Exim-Connect-IP: 2a0a:edc0:0:c01:1d::a2 X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.whiteo.stw.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org In addition to can_dropped_invalid_skb(), the helper function can_dev_dropped_skb() checks whether the device is in listen-only mode and discards the skb accordingly. Replace can_dropped_invalid_skb() by can_dev_dropped_skb() to also drop skbs in for listen-only mode. Reported-by: Marc Kleine-Budde Closes: https://lore.kernel.org/all/20251017-bizarre-enchanted-quokka-f3c70= 4-mkl@pengutronix.de/ Fixes: ff60bfbaf67f ("can: rockchip_canfd: add driver for Rockchip CAN-FD c= ontroller") Signed-off-by: Marc Kleine-Budde --- drivers/net/can/rockchip/rockchip_canfd-tx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/rockchip/rockchip_canfd-tx.c b/drivers/net/can= /rockchip/rockchip_canfd-tx.c index 865a15e033a9..12200dcfd338 100644 --- a/drivers/net/can/rockchip/rockchip_canfd-tx.c +++ b/drivers/net/can/rockchip/rockchip_canfd-tx.c @@ -72,7 +72,7 @@ netdev_tx_t rkcanfd_start_xmit(struct sk_buff *skb, struc= t net_device *ndev) int err; u8 i; =20 - if (can_dropped_invalid_skb(ndev, skb)) + if (can_dev_dropped_skb(ndev, skb)) return NETDEV_TX_OK; =20 if (!netif_subqueue_maybe_stop(priv->ndev, 0, --=20 2.51.0