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Sun, 8 Apr 2018 20:39:47 -0400 From: Sasha Levin To: "stable@vger.kernel.org" , "linux-kernel@vger.kernel.org" CC: Bjorn Helgaas , Sasha Levin Subject: [PATCH AUTOSEL for 3.18 024/101] PCI: Correct PCI_STD_RESOURCE_END usage Thread-Topic: [PATCH AUTOSEL for 3.18 024/101] PCI: Correct PCI_STD_RESOURCE_END usage Thread-Index: AQHTz5qpIdRS8cw18kKrX4G+5/28Ww== Date: Mon, 9 Apr 2018 00:35:29 +0000 Message-ID: <20180409003505.164715-24-alexander.levin@microsoft.com> References: <20180409003505.164715-1-alexander.levin@microsoft.com> In-Reply-To: <20180409003505.164715-1-alexander.levin@microsoft.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [52.168.54.252] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;DM5PR2101MB0966;7:PpTolWPps8RnWpUH433b5zfTEMacvXzZ6YJoitVoLszgj8oyQtG9z3keMbHgydFZytmBtV2lAX1gyJVrXJowUAMKRoqVk3NwwAW1SGXlZXTxS8118Cx0ZlPh4oxSqpIi700LbFHv+7+6XxoI3wkD852C5qWv57oxa1ugu50fr25NmSU8pYxp/I76RMbXizuqcmVeqnHyAFO5S99Mv/2Z92ib/zyAc83onh0v2K3vt71hwXJfOqAEsA+kSwWs/n5Q;20:PvOTbjho3XN/78DBIcXnqMjVYXUCIzVQhdrMGoIiE8v4T71y4zvR+5ji0Q+XqB+4Orh3GatkTbpOvzVU4X90Lib5fYvXvJJ0177WAKcV0AOlQ4UdzZzw1mXF2Q1ZoswOGTEh+XB2GSuUAaI7EodI6tGnG70m0FQU0VIGOgFlGXw= x-ms-office365-filtering-ht: Tenant X-MS-Office365-Filtering-Correlation-Id: 0269be7d-111f-4d6d-484d-08d59db261b4 x-microsoft-antispam: UriScan:;BCL:0;PCL:0;RULEID:(7020095)(4652020)(48565401081)(5600026)(4604075)(3008032)(4534165)(4627221)(201703031133081)(201702281549075)(2017052603328)(7193020);SRVR:DM5PR2101MB0966; 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x-microsoft-antispam-message-info: ixjlIk1zcYKfpINSU6DIcjTXSYy1iOuSq6WYj9kJ2s7bIfQyA8mKhjzQYLVKG8BcQOT5DrtgfwiyK8DWCdm6JM2hKMqxMkYg2ZIDAzILB/22JMi50kruk5/i7eKJLdgtg1AYUEgUsSqrfmcw4VHjU25/k0Rt3NnkfSGLde2AcFnyiuK47V/1nkekvBbibbTRyLLYP8U7AZi8frDQi8FiK8BmVZyNaED+X0/O67lk+je1BLynGwCzpnasYnBr0QLrqMGruxrOyWxAST1XebR8S5JPlSNMDLvHNrEPrFMajn+LWu7AjvrpkmN3FKQMK3U/ujmUdWKX58fNq4WtcCR/IpRVE+uDGcLzKl/T1M6/C+204Ui8k+mhL0/V2dQJB6e0qZ3YQXSDsaCwt7J8ClWRX+blaGIMy9LeCDIvFulT/Mk= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0269be7d-111f-4d6d-484d-08d59db261b4 X-MS-Exchange-CrossTenant-originalarrivaltime: 09 Apr 2018 00:35:29.4392 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0966 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: From: Bjorn Helgaas [ Upstream commit 2f686f1d9beee135de6d08caea707ec7bfc916d4 ] PCI_STD_RESOURCE_END is (confusingly) the index of the last valid BAR, not the *number* of BARs. To iterate through all possible BARs, we need to include PCI_STD_RESOURCE_END. Fixes: 9fe373f9997b ("PCI: Increase IBM ipr SAS Crocodile BARs to at least = system page size") Signed-off-by: Bjorn Helgaas Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index b3e63f567c56..71536c16de9f 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -305,7 +305,7 @@ static void quirk_extend_bar_to_page(struct pci_dev *de= v) { int i; =20 - for (i =3D 0; i < PCI_STD_RESOURCE_END; i++) { + for (i =3D 0; i <=3D PCI_STD_RESOURCE_END; i++) { struct resource *r =3D &dev->resource[i]; =20 if (r->flags & IORESOURCE_MEM && resource_size(r) < PAGE_SIZE) { --=20 2.15.1