Message ID | 20231103-uninit-fixes-v2-3-c22b2444f5f5@ideasonboard.com |
---|---|
State | New |
Headers |
Return-Path: <linux-kernel-owner@vger.kernel.org> Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:8f47:0:b0:403:3b70:6f57 with SMTP id j7csp1023286vqu; Fri, 3 Nov 2023 06:16:47 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGOqEG37JtyGL6ShvFcL6seuHWW223n2lXsIVg9oCbyBtE41cnCsm6mqBIFqXpESrYdUEWo X-Received: by 2002:a17:902:f812:b0:1cc:4810:6f2c with SMTP id ix18-20020a170902f81200b001cc48106f2cmr2808571plb.33.1699017407574; Fri, 03 Nov 2023 06:16:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1699017407; cv=none; d=google.com; s=arc-20160816; b=EWtgFFQxN2NoJ/jfugAcA1vFjepUKjiC2M3bCEaRPhRa/3KKgJaaPyWoBGndezeL53 rMefBAvzrPkivuezmdosNd0yRjxwHWkvMV3JCI16nOPxGu9YoGzskUxkOeC59n9HaRNM mrv13aoYh8PE3NCGtPLV4i/r5uj8H3bXebueX6nx/gxBcv/FrTaJz5igoMp5oO0RNxT+ kUfb0QEvUt0taA3EI+mXbR5fWEEkhBhGGGtHKw+KbuIhNfIw/xmswP73CrjPU6xRU0YU 7Ljyo2Cvkfca5wYi/m3pRyT8G3An542UNcktsa3lXZVO5uxbFRR1BQFCJqzmN+RZqzlO gSSw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:in-reply-to:references:message-id :content-transfer-encoding:mime-version:subject:date:from :dkim-signature; bh=R/ypA7w/UPtifimAFVLBbVWfR1yUN5cZnosivFcW4Ok=; fh=dmgf1zKZhB/q4di8sVBSEfmJWDNrFAoGueAGci0ESTg=; b=GlY0ZWarC3nqgk+NeLxqTCfPx17mYK3aB+TG6Tp767ozFsAGkJN5q4KdgQnOR74f3m Us7f4R2+agqlS3nU/Xe0SirrCkTvkiv7pZpX/18wHPMO8nBVPdIPm3DbRwsdMPLcp9jx W76su8WoKJYac/GztXKjo+kKJsz5SzGI1a8X0e/e+k+BORB6O6V17Icr3YEmLGSpenbY 1kIM+Etcs06UPxDNHQ9OowhEoCe9GqIFhXx0W8qAsNQoXJ1GVcX8KxCl02zSQqNyIHoW M2IfFU36omLC6tHfsATZKuuABVIKv6lGQfAjs8eUp7Y8p9XMtegyRvBkaRiftVD86lVI Iwfw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass (test mode) header.i=@ideasonboard.com header.s=mail header.b=t1lT52Pt; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from groat.vger.email (groat.vger.email. [2620:137:e000::3:5]) by mx.google.com with ESMTPS id lg8-20020a170902fb8800b001ca7308e42fsi1430526plb.631.2023.11.03.06.16.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Nov 2023 06:16:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5; Authentication-Results: mx.google.com; dkim=pass (test mode) header.i=@ideasonboard.com header.s=mail header.b=t1lT52Pt; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id B2204801CD8F; Fri, 3 Nov 2023 06:16:06 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377653AbjKCNPN (ORCPT <rfc822;lhua1029@gmail.com> + 36 others); Fri, 3 Nov 2023 09:15:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46884 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377655AbjKCNPI (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Fri, 3 Nov 2023 09:15:08 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92EBB111 for <linux-kernel@vger.kernel.org>; Fri, 3 Nov 2023 06:14:43 -0700 (PDT) Received: from [127.0.1.1] (91-158-149-209.elisa-laajakaista.fi [91.158.149.209]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id A044A1AB9; Fri, 3 Nov 2023 14:14:06 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1699017247; bh=GfkdOn7Nflp8EiHOQgGZ6pujA7kOojVrCOcgPLu3P0U=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=t1lT52PtrE29xwCBZBAGorMm/7OJBcmJZsf7CyobzPjEikNJsb1J2f+0zzZDgxjwt Ov0gfsVYyt0qNuYd8s61xVp5gBrVM5BV7DabtsmhuCQhLKfW93MBYpgGwD4EDqr8IF UVNrLVGkqze7OqENw8pwm3yaIH0dX1tJGuhw13Gw= From: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Date: Fri, 03 Nov 2023 15:14:05 +0200 Subject: [PATCH v2 3/4] drm/bridge: cdns-mhdp8546: Fix use of uninitialized variable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20231103-uninit-fixes-v2-3-c22b2444f5f5@ideasonboard.com> References: <20231103-uninit-fixes-v2-0-c22b2444f5f5@ideasonboard.com> In-Reply-To: <20231103-uninit-fixes-v2-0-c22b2444f5f5@ideasonboard.com> To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>, David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>, Laurent Pinchart <laurent.pinchart@ideasonboard.com>, Francesco Dolcini <francesco.dolcini@toradex.com>, Andrzej Hajda <andrzej.hajda@intel.com>, Neil Armstrong <neil.armstrong@linaro.org>, Robert Foss <rfoss@kernel.org>, Jonas Karlman <jonas@kwiboo.se>, Jernej Skrabec <jernej.skrabec@gmail.com>, Parshuram Thombare <pthombar@cadence.com> Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=946; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=GfkdOn7Nflp8EiHOQgGZ6pujA7kOojVrCOcgPLu3P0U=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBlRPIs0SWDfuK8Zd/LgHa0XySY6imSV4EQKxyEL UP0dzp0Q0aJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZUTyLAAKCRD6PaqMvJYe 9ZVgEACiOAnK10hGiar77wl9mNm1C0ZbQwD9cD9Q1GmjqtoRX4o8sbE2QIdwqWcYH+h2/8xk2QZ 8vhclDAAzwrzhlcc8gv4CR0GttdiT7qu0YKQ6itXkznnggoOn729zetwzNv7RK2zdjFgkYt5ojn 8C/3R7Z5XViGe2/sWANvoqKAYMMxu/AiTosLZ3vDmKHUnEGVjXGoFmAmIIHuHa23GmaaJvEfZjT 26ojKddVhJgpbUcKcRsHnpOfs3isr2DAf4lKcAP7YgBKuR1CasFp9UIrXZEbL8vLCmgtO4vqOCy wmKGv3GKLdmtwYWiFzRU4VFfHee1ojPdUjGrCVQK5I5p6q6H1Qo1uFEG/M4218mYxg6Sk1mbY4R Uq6mPx0HIfXnoEDxrJDlyr3HY+h/N89xQbV6FfGNCV4uY/hCd/+F7rumSfkwqpeDez5ydJPj7Q6 Ia4SUMM/0+AblLDkgmXcKiRg/xpN4tugHGDlw8qKjCVDFddslZ5Gs45m3+dXZiu1KdgWmhYcKRO odpUk3w+SWLmpth1kjF6Jr6M808kkZnNOfOdjQsL9SNKDV6QDTE7jtAWuVUougt24UHUILv0KNS 90DZiqnnJ8znmWjm73QGJqirPHxJITAukk5Rrs+oMJ0Polo1BdqmuSsabsO7npmIMIVoPwoR261 LCljNMeK7DL83Wg== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Fri, 03 Nov 2023 06:16:06 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781548877218183843 X-GMAIL-MSGID: 1781548877218183843 |
Series |
drm: Fix errors about uninitialized/wrong variables
|
|
Commit Message
Tomi Valkeinen
Nov. 3, 2023, 1:14 p.m. UTC
'ret' could be uninitialized at the end of the function, although it's
not clear if that can happen in practice.
Fixes: 6a3608eae6d3 ("drm: bridge: cdns-mhdp8546: Enable HDCP")
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
---
drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c index 946212a95598..5e3b8edcf794 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c +++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-hdcp.c @@ -403,7 +403,8 @@ static int _cdns_mhdp_hdcp_disable(struct cdns_mhdp_device *mhdp) static int _cdns_mhdp_hdcp_enable(struct cdns_mhdp_device *mhdp, u8 content_type) { - int ret, tries = 3; + int ret = -EINVAL; + int tries = 3; u32 i; for (i = 0; i < tries; i++) {