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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49AB5C33CAF for ; Thu, 16 Jan 2020 18:01:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 21DCD2192A for ; Thu, 16 Jan 2020 18:01:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579197711; bh=wMgQC9Nxeaz0aIRTUtqD2m4QS3kZMLRfFhrPVF3c2AM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=07O7t7FMz5MvjqBpkSveEeo+4dAqEm7J5rIuHajilErRDb7JXSAp+nCH3Ikm3Psbx G7BqTkjzouCA/808Z32r0FsU1TEKxwI9M78FJAnHuulkwJAqsZrWMorefIdQpS3e6x tGFgIXaDKtEGDaM8/L3t6R011ZE6jSpLNNvG3bV8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2393774AbgAPRlX (ORCPT ); Thu, 16 Jan 2020 12:41:23 -0500 Received: from mail.kernel.org ([198.145.29.99]:58970 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405649AbgAPRlW (ORCPT ); Thu, 16 Jan 2020 12:41:22 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 66E6C24695; Thu, 16 Jan 2020 17:41:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579196481; bh=wMgQC9Nxeaz0aIRTUtqD2m4QS3kZMLRfFhrPVF3c2AM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tct32E98bDL0uUIjnDyhM1LSIyUzcaoTrbAX7KVWaW2C1Th47quMA2bK2N403Kxgw mhlNhJ4ti03zvioLoCtrboC1Muj1EN+5gsazk61IuNY1Pm/0hx7/CaD3pzKiDfDtTz Z3ulfiv7Ium5VfaRrrxIBM0au1S3QQnu6T1GuVEo= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dan Carpenter , Kalle Valo , Sasha Levin , linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.9 228/251] cw1200: Fix a signedness bug in cw1200_load_firmware() Date: Thu, 16 Jan 2020 12:36:17 -0500 Message-Id: <20200116173641.22137-188-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116173641.22137-1-sashal@kernel.org> References: <20200116173641.22137-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Dan Carpenter [ Upstream commit 4a50d454502f1401171ff061a5424583f91266db ] The "priv->hw_type" is an enum and in this context GCC will treat it as an unsigned int so the error handling will never trigger. Fixes: a910e4a94f69 ("cw1200: add driver for the ST-E CW1100 & CW1200 WLAN chipsets") Signed-off-by: Dan Carpenter Signed-off-by: Kalle Valo Signed-off-by: Sasha Levin --- drivers/net/wireless/st/cw1200/fwio.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/st/cw1200/fwio.c b/drivers/net/wireless/st/cw1200/fwio.c index 30e7646d04af..16be7fa82a23 100644 --- a/drivers/net/wireless/st/cw1200/fwio.c +++ b/drivers/net/wireless/st/cw1200/fwio.c @@ -323,12 +323,12 @@ int cw1200_load_firmware(struct cw1200_common *priv) goto out; } - priv->hw_type = cw1200_get_hw_type(val32, &major_revision); - if (priv->hw_type < 0) { + ret = cw1200_get_hw_type(val32, &major_revision); + if (ret < 0) { pr_err("Can't deduce hardware type.\n"); - ret = -ENOTSUPP; goto out; } + priv->hw_type = ret; /* Set DPLL Reg value, and read back to confirm writes work */ ret = cw1200_reg_write_32(priv, ST90TDS_TSET_GEN_R_W_REG_ID, -- 2.20.1