From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 603E7C43381 for ; Tue, 26 Mar 2019 06:36:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 23AAC20863 for ; Tue, 26 Mar 2019 06:36:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553582163; bh=osksYnRANX103ay6Q36JiByj9ieYJ4k7K1JZH5YKYmw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=IF+wV2+lgmY8Ko2Pk2NjIecG1EiYgL4lYtjTlEseqR5DiHhBE/SsgcNQ16w7t5VwD yY6OZHNSBtaRpWIgfV8xKLF0pZilEBpT6s9BSl9xQymKvHgSg1OWrBlXKVqEija/IX kGEP6RflFT2JZEAfD8zHim+xpZ7325mChkFBXEx8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732134AbfCZGgB (ORCPT ); Tue, 26 Mar 2019 02:36:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:48136 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730944AbfCZGf7 (ORCPT ); Tue, 26 Mar 2019 02:35:59 -0400 Received: from localhost (unknown [104.132.152.111]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CC2BF20823; Tue, 26 Mar 2019 06:35:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1553582158; bh=osksYnRANX103ay6Q36JiByj9ieYJ4k7K1JZH5YKYmw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=C25Z0a1ewCHOHtOWKxqkCQKupH/61zDMnusL7XV67UbCWcKf58efX6HDDiF/bFIlj 5C83ed3WrP4UCO2NJEk1zl2xjK5n8hTZDZfJJReITyeIyEFr9OWRPMAw+cWRrzYzUp gBK0j3u0FgEj/M4ROWtkh4vjznoDeLymikFVNZwM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Deepak Rawat , Thomas Hellstrom Subject: [PATCH 4.19 07/45] drm/vmwgfx: Return 0 when gmrid::get_node runs out of IDs Date: Tue, 26 Mar 2019 15:29:50 +0900 Message-Id: <20190326042703.059597782@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190326042702.565683325@linuxfoundation.org> References: <20190326042702.565683325@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.19-stable review patch. If anyone has any objections, please let me know. ------------------ From: Deepak Rawat commit 4b9ce3a651a37c60527101db4451a315a8b9588f upstream. If it's not a system error and get_node implementation accommodate the buffer object then it should return 0 with memm::mm_node set to NULL. v2: Test for id != -ENOMEM instead of id == -ENOSPC. Cc: Fixes: 4eb085e42fde ("drm/vmwgfx: Convert to new IDA API") Signed-off-by: Deepak Rawat Reviewed-by: Thomas Hellstrom Signed-off-by: Thomas Hellstrom Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c @@ -57,7 +57,7 @@ static int vmw_gmrid_man_get_node(struct id = ida_alloc_max(&gman->gmr_ida, gman->max_gmr_ids - 1, GFP_KERNEL); if (id < 0) - return id; + return (id != -ENOMEM ? 0 : id); spin_lock(&gman->lock);