From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A01D9C433EF for ; Wed, 9 Feb 2022 18:42:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240247AbiBISmh (ORCPT ); Wed, 9 Feb 2022 13:42:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240159AbiBISkm (ORCPT ); Wed, 9 Feb 2022 13:40:42 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D491C03E941; Wed, 9 Feb 2022 10:40:13 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id DFFF2B8238E; Wed, 9 Feb 2022 18:40:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0557FC340EF; Wed, 9 Feb 2022 18:40:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1644432010; bh=06AEE+dTILRtwDY8oQbRofaIwu30iB9WUEgyuAH6rvs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hteFlor3t86fgNkY2YFhewQuK9vhMWBn40QM2BrO5qrebYE1yPDgEW7dwCGMneTBz OFDdWLKv+8fiIt2SjgKidAyglOGMIWCseqSd7gVLPKJgpwhWUPdJn5qwsWf1PQtK+T ZSuJ2Gw4URcWjxRb9wSCoR0hDuvQqYAUpmS8y9I3ElIzunyzk9cLHFO1Stlg++yk/o d7G8miyx3RmSje6o0NoBbpSFC7icUxAUHDzrHCUANqKgH50QP2AVZmiTkeBveCK4v1 dUdWajaYW8XbPlINV/fou6XnSdJUas5iXjF3hFD2dkGKYRJ4hI7ZnmB9GsmX/7rUkS x+yADA+5cT84w== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Steen Hegelund , kernel test robot , Dan Carpenter , Jakub Kicinski , Sasha Levin , davem@davemloft.net, lars.povlsen@microchip.com, Steen.Hegelund@microchip.com, UNGLinuxDriver@microchip.com, bjarni.jonasson@microchip.com, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 5.15 29/36] net: sparx5: do not refer to skb after passing it on Date: Wed, 9 Feb 2022 13:37:52 -0500 Message-Id: <20220209183759.47134-29-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220209183759.47134-1-sashal@kernel.org> References: <20220209183759.47134-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Steen Hegelund [ Upstream commit 81eb8b0b18789e647e65579303529fd52d861cc2 ] Do not try to use any SKB fields after the packet has been passed up in the receive stack. Reported-by: kernel test robot Reported-by: Dan Carpenter Signed-off-by: Steen Hegelund Link: https://lore.kernel.org/r/20220202083039.3774851-1-steen.hegelund@microchip.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/microchip/sparx5/sparx5_packet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c index dc7e5ea6ec158..148d431fcde42 100644 --- a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c +++ b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c @@ -145,9 +145,9 @@ static void sparx5_xtr_grp(struct sparx5 *sparx5, u8 grp, bool byte_swap) skb_put(skb, byte_cnt - ETH_FCS_LEN); eth_skb_pad(skb); skb->protocol = eth_type_trans(skb, netdev); - netif_rx(skb); netdev->stats.rx_bytes += skb->len; netdev->stats.rx_packets++; + netif_rx(skb); } static int sparx5_inject(struct sparx5 *sparx5, -- 2.34.1