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[209.132.180.67]) by mx.google.com with ESMTP id 6-v6si3232868pfk.287.2018.07.16.07.54.46; Mon, 16 Jul 2018 07:55:01 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@synopsys.com header.s=mail header.b=krpSTfFm; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=synopsys.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731090AbeGPPUz (ORCPT + 99 others); Mon, 16 Jul 2018 11:20:55 -0400 Received: from us01smtprelay-2.synopsys.com ([198.182.47.9]:39730 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729842AbeGPPUP (ORCPT ); Mon, 16 Jul 2018 11:20:15 -0400 Received: from mailhost.synopsys.com (mailhost1.synopsys.com [10.12.238.239]) by smtprelay.synopsys.com (Postfix) with ESMTP id 3B07424E248F; Mon, 16 Jul 2018 07:52:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=synopsys.com; s=mail; t=1531752749; bh=reIymYYy+qGe2Yam5Hj0oqm+F41R4vUmWmbm/DgB/DA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:In-Reply-To: References:From; b=krpSTfFmCrAWbG7jZgkVoe1MGZkamK9BqPxlEpwpDKZ+9ZCM7IdQR1EL9K0358ykK A6cvrjhUlnFNT4+enQklOe8VRzUltL8yMEPNIpIoq99AMkg2xsTTkf08id1xetud+7 VO3tyVmO1Vp5GdWUIpqdmiA3LEWMLxzSRAGYdcHKLRsQwjW49i3jZdgpUzJDJnRbnG NgTSBXWj+FnZp3czrTfaP73d4v/VC2cpUxTKRNBgzuyewiLHRr2E2SmHYbLA/yuTzA IDC5H2uHreHrwY68p+haIs2NaOu/scXxytgqR6IDYyTBnC0X9BHWaJY1hARHcWY7Ew hTMjaP3yV3kQg== Received: from de02.synopsys.com (germany.internal.synopsys.com [10.225.17.21]) by mailhost.synopsys.com (Postfix) with ESMTP id EB39F5121; Mon, 16 Jul 2018 07:52:28 -0700 (PDT) Received: from de02dwia024.internal.synopsys.com (de02dwia024.internal.synopsys.com [10.225.19.81]) by de02.synopsys.com (Postfix) with ESMTP id ABC433DCE9; Mon, 16 Jul 2018 16:52:27 +0200 (CEST) From: Gustavo Pimentel To: bhelgaas@google.com, lorenzo.pieralisi@arm.com, joao.pinto@synopsys.com, jingoohan1@gmail.com, kishon@ti.com, adouglas@cadence.com, jesper.nilsson@axis.com, shawn.lin@rock-chips.com Cc: linux-pci@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Gustavo Pimentel Subject: [PATCH v11 12/12] PCI: endpoint: Add MSI set maximum restriction Date: Mon, 16 Jul 2018 16:52:24 +0200 Message-Id: <7d5a9708368226edd1d461dec4b719ea5bffdf6c.1531751641.git.gustavo.pimentel@synopsys.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add pci_epc_set_msi() maximum 32 interrupts validation. Signed-off-by: Gustavo Pimentel Acked-by: Kishon Vijay Abraham I --- Change v4->v5: - New patch file. Change v5->v6: - Nothing changed, just to follow the patch set version. Change v6->v7: - Nothing changed, just to follow the patch set version. Change v7->v8: - Re-sending the patch series. Change v8->v9: - Nothing changed, just to follow the patch set version. Change v9->v10: - Nothing changed, just to follow the patch set version. Change v10->v11: - Nothing changed, just to follow the patch set version. drivers/pci/endpoint/pci-epc-core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c index c72e656..094dcc3 100644 --- a/drivers/pci/endpoint/pci-epc-core.c +++ b/drivers/pci/endpoint/pci-epc-core.c @@ -201,7 +201,8 @@ int pci_epc_set_msi(struct pci_epc *epc, u8 func_no, u8 interrupts) u8 encode_int; unsigned long flags; - if (IS_ERR_OR_NULL(epc) || func_no >= epc->max_functions) + if (IS_ERR_OR_NULL(epc) || func_no >= epc->max_functions || + interrupts > 32) return -EINVAL; if (!epc->ops->set_msi) -- 2.7.4