From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 D778B2FD1D1; Tue, 12 Aug 2025 17:39:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755020376; cv=none; b=RLLFxYZ2cIRq4BsZy946mcFk9/x8nau6dZCdjkTV9SfDlOAR0zHT37OhTDLoeQ44OAEqqiJ7hVRElBKu1oNUQXLQChcXyig+twPVmXsJ6msTpG+X0DWq1KcaS6TP6gWxCg2TuqCdZ8vq2Jx0zkA0PAiZ3nMtKtbOIySvmgxyLiM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755020376; c=relaxed/simple; bh=9ow/K/v1D3qmSDHmxI+cBWPag5+JoJloppZ/cyZpz3U=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=HdFAY8WxR33x3JpCwgHgxypA0da/6glXzi98EpMOhXOVx6BoIXSpaDgZgA5LthbFK8ORgBYqQUudINkyZepePolWgtaUT3Sg62Hfd4d6flBCXaBQKt3rOStXUyAtMo+fodOByDX9DbqsjxraZnPNTr2/z+Z8aLoTPgwr0lq8+NY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=nKffyath; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="nKffyath" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F951C4CEF0; Tue, 12 Aug 2025 17:39:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755020376; bh=9ow/K/v1D3qmSDHmxI+cBWPag5+JoJloppZ/cyZpz3U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nKffyatho4Oxughprn4zIrfjlkFYnKBZ06+ayYsDp/SSzglgd7tbgug2YwDqpQGUd 8wfjTRqDICOPvvnQjprl9mUXe2a5WsFe4wpDYeplEfCjNAyno0h6nG9B5BhRJ6qKQb /uQV2Cks3NOzigD6UXk6MejxbPEYMehIkdYvMoqI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Vincent Mailhol , Marc Kleine-Budde , Sasha Levin Subject: [PATCH 6.1 020/253] can: dev: can_restart(): move debug message and stats after successful restart Date: Tue, 12 Aug 2025 19:26:48 +0200 Message-ID: <20250812172949.572339095@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812172948.675299901@linuxfoundation.org> References: <20250812172948.675299901@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Marc Kleine-Budde [ Upstream commit f0e0c809c0be05fe865b9ac128ef3ee35c276021 ] Move the debug message "restarted" and the CAN restart stats_after_ the successful restart of the CAN device, because the restart may fail. While there update the error message from printing the error number to printing symbolic error names. Link: https://lore.kernel.org/all/20231005-can-dev-fix-can-restart-v2-4-91b5c1fd922c@pengutronix.de Reviewed-by: Vincent Mailhol [mkl: mention stats in subject and description, too] Signed-off-by: Marc Kleine-Budde Stable-dep-of: c1f3f9797c1f ("can: netlink: can_changelink(): fix NULL pointer deref of struct can_priv::do_set_mode") Signed-off-by: Sasha Levin --- drivers/net/can/dev/dev.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/can/dev/dev.c b/drivers/net/can/dev/dev.c index 42c486d1fd10b..78e3ea180d767 100644 --- a/drivers/net/can/dev/dev.c +++ b/drivers/net/can/dev/dev.c @@ -147,15 +147,15 @@ static void can_restart(struct net_device *dev) netif_rx(skb); } - netdev_dbg(dev, "restarted\n"); - priv->can_stats.restarts++; - /* Now restart the device */ netif_carrier_on(dev); err = priv->do_set_mode(dev, CAN_MODE_START); if (err) { - netdev_err(dev, "Error %d during restart", err); + netdev_err(dev, "Restart failed, error %pe\n", ERR_PTR(err)); netif_carrier_off(dev); + } else { + netdev_dbg(dev, "Restarted\n"); + priv->can_stats.restarts++; } } -- 2.39.5