From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F029337B010 for ; Fri, 10 Apr 2026 10:12:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.53 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775815935; cv=none; b=WR/yfmCI+0R/kknElHl2UcgF3S76vPWBUfaG7qhjZgXfcsm7nHv86d/rFqzMo43GvmW/ZBw+KvulhAzYlxLWik7q/ObQYnbyfuF9jMAn/b1aphvZZPgFzFzPgYBi2O0gb79t3AlQSTwJN8TZ8rgNPzuQahc6olo6Fyc1BxpwAn0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775815935; c=relaxed/simple; bh=gT+USVlr6D6SbUBhI2YPyiIlQCKMO43Y6KsB/Rb1ggE=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=Bxd3Ywery0MAvs7opi7GUf7G9mJnPblknvHTCyNQmHpWK2RaAuMKYh8OBtqJn8FN1NHcj7CAIHrzUlge7cs9NLWCM0ATQ5dyv3jSrPccftDgFl6bOd77x2nhV8gYieB08S3FUNcWr8jo5aLrp7/wzp6GQxGoJvOFdBjj3TEb3z4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=fn09RndM; arc=none smtp.client-ip=209.85.128.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="fn09RndM" Received: by mail-wm1-f53.google.com with SMTP id 5b1f17b1804b1-488aa77a06eso29156055e9.0 for ; Fri, 10 Apr 2026 03:12:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1775815932; x=1776420732; darn=vger.kernel.org; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :from:to:cc:subject:date:message-id:reply-to; bh=22v578vS3urScHwXah/EGJm4oQZ5Dq0jM06OD1zJsnE=; b=fn09RndMlPAdhKuXtrVWcfcr3wtxQjy38dLA/5yOVIpzrMuWuatelm1dRHUe5ZdLnm z+H/eaYea3W5cblPlyOCnYL9tahzMUbrnRgQV/tjW9NNs7fkMyTBg2GCdy5jKq63IIeI 82jVRXcOkjyBYlzDWiaCF4XY1SKWUWiwlN4WIYEpUKxSinWBCy8/QrHDcuiMRUmgifQn x/mEAoII6sPxXE4qUMlzlqZUOJoAvk3aRzapih+3eFbLntqnInn+dZcUaqhGD6duESkb qrSYkOC2KHzB+tTaD2AQ9XbtIc00o8J29hEdxqG5kJaBvHxsP4dAZRqzIofn9jcUjf3m mdYg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1775815932; x=1776420732; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=22v578vS3urScHwXah/EGJm4oQZ5Dq0jM06OD1zJsnE=; b=fIMZ3wKUy7N3TlOOV0DtfTkydkoBWDWJA6WodTmmCVtgNx3RQE41MZmQjsS3DyjrGP C2XFOwWKm/tLrloi7Uko7cSGNd+SafYXGCsxFLmV+Lj80tbodtoR3skd2Y77IkC3obDG JLIjkW3olUleUhH5aYGu2SAvzrF31VcPs0wlx2KAS1g9cUD3sh4rfaGXlzOG+KYOWaOW aVtuUCjKHjkTVe5BZKE9P+l0ZU/XizhMCBNEc7SyotLioWL46q8V0FcOe5UAxPAhHaaI l2SaIYhfy5I+mslQ+FMHfw/Q+l3ebzVZ0UtXLnAgHPvNsm+iEnypUpcrh98HA1B6CXZE WOdA== X-Forwarded-Encrypted: i=1; AJvYcCVvADK6B+pFGogDDLz/CV1zh3HsPA5A4v7lv2ls4/aBETZz6GvaWbExLTgLBY1y4uckQ+81sq7ToV+tcHE=@vger.kernel.org X-Gm-Message-State: AOJu0Yxas2Q3GuL9lUWtcyliAtsSWPpGQ/rT+JF6dAPeREPuxX5GfqLE SOnDCXLnZIVOjGudRCYAUHshR9adHIqoltyaZc62bTYvsy+62Gb6rDDG X-Gm-Gg: AeBDievukXFDmmOBrHRpCnZ17cbfOnSRxHuPWjOyoXJkYL5odUpSffi17GYxiRI125i fqLOMsj8kLsEK3mYUacTBHiv3ZewJOfLH+jEwhkhXLFJqhgMG87OiXcVZJJpuG4pxPnIn04oX9m Gy4hnO5LVLoi/ntpClYyH1DJoyb2keInSfNvvQDXE3qeaAVTBANdrLCgst4IK/EkDi23skUGiF1 5jUkHh6HSBClc3FjMa7+0xobKja/2/wJsl5a3HRLyqfyEdjynNmYc8SSW4gmwNe0nU4lmEgMgtB /lYvJjWWYAV7DbdKSnC/qQWWrYSXYE9z+AmQkjgRY3w0K40b+/h3lD0l0ZURqwh7Q2O4kWseSUH QDv/8y69XkyzPzXbTrO61TjOdRXebsvDrFnsBRFi0KJvkEeXl0Q+4/x/TlP1DyKg3+sSKedUMD+ b8TQXKaeysfTY/2NMxZ98= X-Received: by 2002:a05:600c:3ba1:b0:488:90ac:8f71 with SMTP id 5b1f17b1804b1-488d67c704amr32809435e9.5.1775815932319; Fri, 10 Apr 2026 03:12:12 -0700 (PDT) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-488d683c902sm17472615e9.22.2026.04.10.03.12.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Apr 2026 03:12:11 -0700 (PDT) Date: Fri, 10 Apr 2026 13:12:08 +0300 From: Dan Carpenter To: Pengyu Luo Cc: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH next] drm/panel: himax-hx83121a: Fix NULL vs IS_ERR() check in probe() Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Mailer: git-send-email haha only kidding The devm_drm_panel_alloc() function never returns NULL, it returns error pointers on failure. Fixes: a7c61963b727 ("drm/panel: Add Himax HX83121A panel driver") Signed-off-by: Dan Carpenter --- This email is a free service from the Smatch-CI project [smatch.sf.net]. drivers/gpu/drm/panel/panel-himax-hx83121a.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-himax-hx83121a.c b/drivers/gpu/drm/panel/panel-himax-hx83121a.c index ebe643ba4184..bed79aa06f46 100644 --- a/drivers/gpu/drm/panel/panel-himax-hx83121a.c +++ b/drivers/gpu/drm/panel/panel-himax-hx83121a.c @@ -596,8 +596,8 @@ static int himax_probe(struct mipi_dsi_device *dsi) ctx = devm_drm_panel_alloc(dev, struct himax, panel, &himax_panel_funcs, DRM_MODE_CONNECTOR_DSI); - if (!ctx) - return -ENOMEM; + if (IS_ERR(ctx)) + return PTR_ERR(ctx); ret = devm_regulator_bulk_get_const(&dsi->dev, ARRAY_SIZE(himax_supplies), -- 2.53.0