From nobody Mon Sep 28 15:34:28 2026 Received: from mx.prosyst.ru (m2.prosoftsystems.ru [46.48.77.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98FDA3101A5 for ; Thu, 20 Aug 2026 08:02:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.48.77.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787212938; cv=none; b=aSDTMQyzS8F+ISObnQTqAuyFxqrnfGMXrL2/Y6WLMcjCsHBcJEKdv8e9EQVKZlzg+NqGRcSDxTDDHmUv4SZw+pZdxjngSJ4BEV6fmecgppkc0bIPg6yLm4k3+gET64lR7CYYTLGUS5grp/XynwowzBGYzyAtaOEi64Gv6p7R9eI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787212938; c=relaxed/simple; bh=b+nl3wNpyL9zfo55O6yDTvES23BqPJVNGCcTN1kET+M=; h=Content-Type:From:To:CC:Subject:Date:Message-ID:MIME-Version; b=aipg2Im2reaGNnzYJ/TssVQP5HW/WHFwSgsilNbOVle/lziksi69Ufpmmx38qfsjGGZs/Q/1EjaEU/5DWvtlnKMrzpn7XkmvnFv3by2w9FkREHf+H/gc1AHR3vihWB6rkW84QJT9aNwsT5hdiYiYNbw8xI9L8s0XeNhZ7A4z90U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=prosoftsystems.ru; spf=pass smtp.mailfrom=prosoftsystems.ru; dkim=pass (2048-bit key) header.d=prosoftsystems.ru header.i=@prosoftsystems.ru header.b=QkGfeS9N; arc=none smtp.client-ip=46.48.77.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=prosoftsystems.ru Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=prosoftsystems.ru Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=prosoftsystems.ru header.i=@prosoftsystems.ru header.b="QkGfeS9N" Content-Language: ru-RU Content-Type: text/plain; charset="utf-8" Content-ID: <1870AAF59BA5C440A9C0A5FEDF60F83A@prosoftsystems.ru> Content-Transfer-Encoding: quoted-printable DKIM-Signature: v=1; a=rsa-sha256; d=prosoftsystems.ru; s=ps; c=relaxed/relaxed; t=1787212020; h=from:to:date:message-id:subject; bh=b+nl3wNpyL9zfo55O6yDTvES23BqPJVNGCcTN1kET+M=; b=QkGfeS9NM9KN1hAdjL3Veb8ehw+QQC5OteUHv4HFiKjfTNJwGhb/FICh/HtFvtn0YOCmScjcYvu Aq2jSFiI9nHtMVvEn6RiO2uGRVJvETueIDPOKZp/aQ/13J+6Z/9623I2jPP004QIMVEs5M+qnUGPK 27GM4VFmId91NI7h3ETMBi/fiBqrlo/eugb+11juZL/It7xVsXsTDWIz1zT1LRzEP1OePH3i8Mmx6 fqwef0qabDXwgdHOupO2NN7y/kCBZsId7jww+qLe5PqVZaksAfNI1lp7TA/ybso6CEI7pn9ecX4oJ kz8Dli8s1TUP67vyFAH1VIJw2F45qcCmMqvg== Received: from ECHO-3.prosoft.ural.ru (172.25.100.229) by mx.prosoftsystems.ru (172.21.240.33) with Microsoft SMTP Server (TLS) id 15.1.396.30; Thu, 20 Aug 2026 12:47:00 +0500 Received: from echo-2.prosoft.ural.ru (172.21.245.22) by ECHO-3.prosoft.ural.ru (172.25.100.229) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.39; Thu, 20 Aug 2026 12:46:59 +0500 Received: from echo-2.prosoft.ural.ru ([fe80::8f12:4f85:56d8:13ed]) by echo-2.prosoft.ural.ru ([fe80::8f12:4f85:56d8:13ed%17]) with mapi id 15.02.1748.039; Thu, 20 Aug 2026 12:46:59 +0500 From: =?utf-8?B?0JbQsNC80LHQsNC60LjQtdCyINCg0LDQtNC40Lkg0KDQuNC60LDRgNC00Lg=?= =?utf-8?B?0L3QvtCy0LjRhw==?= To: "andrzej.hajda@intel.com" CC: "rfoss@kernel.org" , "Laurent.pinchart@ideasonboard.com" , "mripard@kernel.org" , "tzimmermann@suse.de" , "linux-kernel@vger.kernel.org" , "j-choudhary@ti.com" , "maarten.lankhorst@linux.intel.com" , "dri-devel@lists.freedesktop.org" , "simona@ffwll.ch" , "h-shenoy@ti.com" , "xiqi2@huawei.com" , "luca.ceresoli@bootlin.com" , "lvc-project@linuxtesting.org" , "jonas@kwiboo.se" , "tomi.valkeinen@ideasonboard.com" , "airlied@gmail.com" , "dmitry.baryshkov@oss.qualcomm.com" , "neil.armstrong@linaro.org" , "jernej.skrabec@gmail.com" Subject: [PATCH] drm: bridge: cdns-mhdp8546: drop redundant NULL check Thread-Topic: [PATCH] drm: bridge: cdns-mhdp8546: drop redundant NULL check Thread-Index: AQHdMHgUvr7X1CFvP02i3G0d9x/1EA== Date: Thu, 20 Aug 2026 07:46:59 +0000 Message-ID: <52b64660617c2f1303b1f590f831baa8f39bed98.camel@prosoftsystems.ru> Accept-Language: ru-RU, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 to_cdns_mhdp_bridge_state() is a container_of() on the first member of struct cdns_mhdp_bridge_state, so it cannot return NULL as long as its input is non-NULL. The bridge state is already NULL-checked right before the conversion, making the check on the converted pointer dead code. Remove it. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Radiy Zhambakiev --- drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c index 36c07b71fe04..424183db6f76 100644 --- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c +++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c @@ -2145,11 +2145,6 @@ static int cdns_mhdp_update_link_status(struct cdns_mhdp_device *mhdp) } =20 cdns_bridge_state =3D to_cdns_mhdp_bridge_state(state); - if (!cdns_bridge_state) { - ret =3D -EINVAL; - goto out; - } - current_mode =3D cdns_bridge_state->current_mode; if (!current_mode) { ret =3D -EINVAL; --=20 2.53.0