Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp261898pxj; Fri, 14 May 2021 02:50:04 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwAnKj36TkKKlU7TbON0f82umMU3h4FSDwAkid4p3S+wn61SVWJmkN0l6j/o0S6s+3yj0vG X-Received: by 2002:a92:6610:: with SMTP id a16mr10701181ilc.124.1620985803932; Fri, 14 May 2021 02:50:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1620985803; cv=none; d=google.com; s=arc-20160816; b=r8OCYTwkCpl3le0RxuhLSn4bxEjMvJue60LLff3IAWA3aaxgjdZrFtOX7nofQqKwzM FbuvBpXNAcupKCIOI201QkBXzRhkXUyM4jhq+sHSXrMIMvflu8s5WV3lw3WloyoqkPpH n9eM7lyv8hDqAAG6AItgzhZAtS807QNh5oskx1WUvM0DbwlhFhBZQz261/B/aVXRABr7 KT4s8kV9yOCpinsCvkvNcITi1S5Pg0PqVDrxIol24T0g+O10klXQd0qsK+QVfTF/0/WV 9BNCJlyp/WvJfIeWXiMnFkvONDCEtEEp/dUscCfFuU+wzgMomou08PrUV5rhhFYHBnJ9 yk9Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:message-id:date:subject:cc:to:from; bh=2ZnkwWb/wed9PpK7YS9rjnBCNi1xBrcq701T9IwLsi0=; b=u24Fon4cADWyTu6NUHgRUApLSb6iMLvc1cRH7vc2fza3CVhI9BYUGqlpsvzRp8/4rP gAOtv9QJjpL2gjdY0rfk//ZmO/xQg46mnxAegaAT0MyWeZAwCaoH1P9GyM6dxrkl12Az ts+5cXrslBe0/LCd/6CF73z9Fb33I/5pzClkYKVsc5afkAdCtvIl1d8nFHm7H2Hkd/rz ZoVgCPrW36PLKCcqtmfz06pM5iQOR7sjxFGujeFYo2mBrRU2msJsMpayYTgZbwTwWlVN 7+wBsjahC24aQcu3SzIGCI4GOLf892xwNlZyxwyd/JmBoTl6j7oxUDJld1kxRvYdyLWw Ca6w== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id 7si6486886ilz.34.2021.05.14.02.49.49; Fri, 14 May 2021 02:50:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232790AbhENG41 (ORCPT + 99 others); Fri, 14 May 2021 02:56:27 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:2666 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232787AbhENG4X (ORCPT ); Fri, 14 May 2021 02:56:23 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4FhK3Z18DyzmVmF; Fri, 14 May 2021 14:52:58 +0800 (CST) Received: from localhost (10.174.179.215) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.498.0; Fri, 14 May 2021 14:55:04 +0800 From: YueHaibing To: , , , , CC: , Subject: [PATCH -next] iio: adc: ad7793: Add missing error code in ad7793_setup() Date: Fri, 14 May 2021 14:54:31 +0800 Message-ID: <20210514065431.4328-1-yuehaibing@huawei.com> X-Mailer: git-send-email 2.10.2.windows.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.174.179.215] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Set error code while device ID query failed. Fixes: 88bc30548aae ("IIO: ADC: New driver for AD7792/AD7793 3 Channel SPI ADC") Signed-off-by: YueHaibing --- drivers/iio/adc/ad7793.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c index 5e980a06258e..b4f9ac3838e1 100644 --- a/drivers/iio/adc/ad7793.c +++ b/drivers/iio/adc/ad7793.c @@ -279,6 +279,7 @@ static int ad7793_setup(struct iio_dev *indio_dev, id &= AD7793_ID_MASK; if (id != st->chip_info->id) { + ret = -EINVAL; dev_err(&st->sd.spi->dev, "device ID query failed\n"); goto out; } -- 2.17.1