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 A1C481F941 for ; Fri, 21 Jul 2023 16:15:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 23D27C433C9; Fri, 21 Jul 2023 16:15:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689956108; bh=k94FU4zggxS/Icrp7ag8aFDkwB8YTvGxXKA/VDmBQqk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=hgB+/ReZelZVbc+DvFGVXX50YzdypAGY8oNf3qk9YHZDF3yHqlahMmKZ8yqTWtSXH vkeLq7jir5+8flGcbiWcTzVfQ6oFazTuPgWMbuMOtCcwacIfavmPF4mfE/A0MKTs8K Jx0mDCy/knBaOO3XmtH42ZxZ0fk8RIQhJNM8iqYI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jiawen Wu , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.4 103/292] net: txgbe: fix eeprom calculation error Date: Fri, 21 Jul 2023 18:03:32 +0200 Message-ID: <20230721160533.217431226@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230721160528.800311148@linuxfoundation.org> References: <20230721160528.800311148@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Jiawen Wu [ Upstream commit aa846677a9fb19a0f2c58154c140398aa92a87ba ] For some device types like TXGBE_ID_XAUI, *checksum computed in txgbe_calc_eeprom_checksum() is larger than TXGBE_EEPROM_SUM. Remove the limit on the size of *checksum. Fixes: 049fe5365324 ("net: txgbe: Add operations to interact with firmware") Fixes: 5e2ea7801fac ("net: txgbe: Fix unsigned comparison to zero in txgbe_calc_eeprom_checksum()") Signed-off-by: Jiawen Wu Link: https://lore.kernel.org/r/20230711063414.3311-1-jiawenwu@trustnetic.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c index ebc46f3be0569..fc37af2e71ffc 100644 --- a/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c +++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_hw.c @@ -196,9 +196,6 @@ static int txgbe_calc_eeprom_checksum(struct wx *wx, u16 *checksum) if (eeprom_ptrs) kvfree(eeprom_ptrs); - if (*checksum > TXGBE_EEPROM_SUM) - return -EINVAL; - *checksum = TXGBE_EEPROM_SUM - *checksum; return 0; -- 2.39.2