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Message-ID: <c3e7aeaf-fe34-4ddc-9086-872096228986@siemens.com> Date: Fri, 6 Sep 2024 08:24:46 +0200 From: Jan Kiszka <jan.kiszka@...mens.com> To: Bjorn Helgaas <helgaas@...nel.org> Cc: Nishanth Menon <nm@...com>, Santosh Shilimkar <ssantosh@...nel.org>, Vignesh Raghavendra <vigneshr@...com>, Tero Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org, Siddharth Vadapalli <s-vadapalli@...com>, Bao Cheng Su <baocheng.su@...mens.com>, Hua Qian Li <huaqian.li@...mens.com>, Diogo Ivo <diogo.ivo@...mens.com>, Lorenzo Pieralisi <lpieralisi@...nel.org>, Krzysztof WilczyĆski <kw@...ux.com>, Bjorn Helgaas <bhelgaas@...gle.com>, Kishon Vijay Abraham I <kishon@...nel.org> Subject: Re: [PATCH v4 4/7] PCI: keystone: Add supported for PVU-based DMA isolation on AM654 On 05.09.24 21:07, Jan Kiszka wrote: > On 05.09.24 18:33, Bjorn Helgaas wrote: >>> + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, >>> + ks_vmap_res[n]); >> >> Seems like we should check "res" for error before using it? > > Oh, unfinished constructions. In fact, devm_pci_remap_cfg_resource takes care of res == NULL. Jan -- Siemens AG, Technology Linux Expert Center
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