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 6769E2FD1CE; Tue, 12 Aug 2025 17:37:13 +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=1755020233; cv=none; b=h/jbvqmR4LaJOWdbJ9HKQZIc+d3ubzaJl/vW0FV03+VSggaxbrSujeFtlRxZ/tkqqEE1Ly2J/afQ9fYyZFhziJBx2E3mToHKXpGdb9fzXWUtsi+oIIrUzvu45m6rTxNMpMvCstcH4XhRlJGDDiDjLcp3gfu5T9sCCPxpuY6WJWs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755020233; c=relaxed/simple; bh=xGrQSHPsBdykj8Ms2p+RrGpnDLz4kyyFJ0CDmtVYPjY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Rd7ba2Cc78d1XVJ/B5+264zxK8udbfXq2HG8DrJQsKJsXR3cruBl90MMq0tdUCqJJ+tKd7/NZPMGAfnNkqgYK+5ZFDS3FLAljGdPTQSdDS2Wn+fj5UhkugNIYA31N7Jx8XGH4dtFajBerCUFyo9cZeDK/w/f57qCXyVBqiqlrig= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=2Nn6AS90; 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="2Nn6AS90" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8FA91C4CEF0; Tue, 12 Aug 2025 17:37:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755020233; bh=xGrQSHPsBdykj8Ms2p+RrGpnDLz4kyyFJ0CDmtVYPjY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2Nn6AS90IC+0IxExfByUynDDtkSy7MbPX2nKWotryteU3ufnt+RQ0tXkr1Fr8a2em gzMowfR1nIIELOBgLg6Tc+IfOrIxZbSlHmu+FZNCwFwe4O0Vb/SlG3IMmpZtWM0h9H ZSNHCKKteE7yVz/bCvmPN9W/jKZ6sgeDEfswiXDg= 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 6.1 019/253] can: dev: can_restart(): reverse logic to remove need for goto Date: Tue, 12 Aug 2025 19:26:47 +0200 Message-ID: <20250812172949.528414468@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 8f3ec204d340af183fb2bb21b8e797ac2ed012b2 ] Reverse the logic in the if statement and eliminate the need for a goto to simplify code readability. Link: https://lore.kernel.org/all/20231005-can-dev-fix-can-restart-v2-3-91b5c1fd922c@pengutronix.de Reviewed-by: Vincent Mailhol 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 | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/net/can/dev/dev.c b/drivers/net/can/dev/dev.c index 43125ce96f1aa..42c486d1fd10b 100644 --- a/drivers/net/can/dev/dev.c +++ b/drivers/net/can/dev/dev.c @@ -142,14 +142,11 @@ static void can_restart(struct net_device *dev) /* send restart message upstream */ skb = alloc_can_err_skb(dev, &cf); - if (!skb) - goto restart; - - cf->can_id |= CAN_ERR_RESTARTED; - - netif_rx(skb); + if (skb) { + cf->can_id |= CAN_ERR_RESTARTED; + netif_rx(skb); + } -restart: netdev_dbg(dev, "restarted\n"); priv->can_stats.restarts++; -- 2.39.5