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 73BE56FA7 for ; Sun, 17 Sep 2023 20:05:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D185CC433C8; Sun, 17 Sep 2023 20:05:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694981154; bh=vJO+IaWQI0CldO0cyArEdhlr+hmUVX7GF9H/ewK4G4o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qCs2jt6UgyuolgIZU1aepFVzqo2HtGm7jOHzzsSxLMqJ75uR3uuMOCQmvNI9PlKmC yQ3iMcpK1Pszihfq0X6W80pu/mjUehxvZ2GMPTB4D8XoZ6TlZYxwBBiPwZVjGhbXfH CwfZXFh6mJqLVqM1zG1iRMXqKZbQlLN2PX8b3Zjo= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yuanjun Gong , Simon Horman , "David S. Miller" , Sasha Levin Subject: [PATCH 5.15 013/511] ethernet: atheros: fix return value check in atl1c_tso_csum() Date: Sun, 17 Sep 2023 21:07:20 +0200 Message-ID: <20230917191114.153693412@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230917191113.831992765@linuxfoundation.org> References: <20230917191113.831992765@linuxfoundation.org> User-Agent: quilt/0.67 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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yuanjun Gong [ Upstream commit 8d01da0a1db237c44c92859ce3612df7af8d3a53 ] in atl1c_tso_csum, it should check the return value of pskb_trim(), and return an error code if an unexpected value is returned by pskb_trim(). Signed-off-by: Yuanjun Gong Reviewed-by: Simon Horman Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 5cbd815c737e7..dad21b4fbc0bc 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -2104,8 +2104,11 @@ static int atl1c_tso_csum(struct atl1c_adapter *adapter, real_len = (((unsigned char *)ip_hdr(skb) - skb->data) + ntohs(ip_hdr(skb)->tot_len)); - if (real_len < skb->len) - pskb_trim(skb, real_len); + if (real_len < skb->len) { + err = pskb_trim(skb, real_len); + if (err) + return err; + } hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); if (unlikely(skb->len == hdr_len)) { -- 2.40.1