From patchwork Mon Jan 24 01:54:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ira Weiny X-Patchwork-Id: 12721399 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 69E55C433F5 for ; Mon, 24 Jan 2022 01:54:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DAB8610E651; Mon, 24 Jan 2022 01:54:21 +0000 (UTC) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1F80210E27C; Mon, 24 Jan 2022 01:54:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1642989256; x=1674525256; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=BBygKGffoL5d5GTpz8jASmHam5hJkymlp1BmAKuyaH0=; b=PD4oMlRRxBya31CJ67nZZoXbbELU3HVJQjWbceQvGLHUaFyLNA5lHoLo tK4Hh9B7pCs4dGRaVVmN+i3QsbfN4F1rMe+bVqsJQDrxJcN8rLj5p2/X1 4iYnPYLv/zhZXGFJ7fhf6OzpaSgvKGwe8A/t1MVt9l+fr3D+AtA3A6hMj tfFjpWpxWfAc9rc5100fSjdwnGX65fbB+dO3zTZ6dsbPnlJxbSCSw5b0Z coR9aE+6m8k0RVOPvJxHYOZnvZrLRAi+sOBhPR32k0XFAtoMuQ79TuABF W6kovrFCD39/5EKHxVbmiAXD+MrsdVR64pQuAmW/WQFj5DBx4hvKCX0U3 Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10236"; a="226616229" X-IronPort-AV: E=Sophos;i="5.88,311,1635231600"; d="scan'208";a="226616229" Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jan 2022 17:54:15 -0800 X-IronPort-AV: E=Sophos;i="5.88,311,1635231600"; d="scan'208";a="627320411" Received: from iweiny-desk2.sc.intel.com (HELO localhost) ([10.3.52.147]) by orsmga004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jan 2022 17:54:15 -0800 From: ira.weiny@intel.com To: David Airlie , Daniel Vetter , Patrik Jakobsson , Rob Clark , Sean Paul Date: Sun, 23 Jan 2022 17:54:09 -0800 Message-Id: <20220124015409.807587-8-ira.weiny@intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220124015409.807587-1-ira.weiny@intel.com> References: <20220124015409.807587-1-ira.weiny@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH V2 7/7] drm/radeon: Ensure kunmap is called on error X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-msm@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, Ira Weiny Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Ira Weiny The default case leaves the buffer object mapped in error. Add radeon_bo_kunmap() to that case to ensure the mapping is cleaned up. Signed-off-by: Ira Weiny --- NOTE: It seems like this function could use a fair bit of refactoring but this is the easiest way to fix the actual bug. --- drivers/gpu/drm/radeon/radeon_uvd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 377f9cdb5b53..7cca283f6202 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -560,6 +560,7 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo, default: + radeon_bo_kunmap(bo); DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type); return -EINVAL; }