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[34.124.129.10]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84a4f7dc7ffsm1022895b3a.40.2026.07.14.00.37.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jul 2026 00:37:21 -0700 (PDT) Date: Tue, 14 Jul 2026 07:37:15 +0000 From: Pranjal Shrivastava To: Marek Szyprowski Cc: iommu@lists.linux.dev, linux-kernel@vger.kernel.org, Leon Romanovsky , Robin Murphy , Lu Baolu , Luis Chamberlain , Bjorn Helgaas , Logan Gunthorpe , Christoph Hellwig , Li RongQing Subject: Re: [PATCH] dma-direct: Improve readability of the dma_direct_map_sg() for P2PDMA case Message-ID: References: <20260713083022.1110993-1-m.szyprowski@samsung.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260713083022.1110993-1-m.szyprowski@samsung.com> On Mon, Jul 13, 2026 at 10:30:22AM +0200, Marek Szyprowski wrote: > Improve readability of the sg_dma_len assignment in the P2PDMA cases by > removing duplicated code, which was a direct result of the d0d08f4bd7f6 > ("dma-direct: Fix missing sg_dma_len assignment in P2PDMA bus mappings") > fix. No functional change. > > Suggested-by: Leon Romanovsky > Link: https://lore.kernel.org/all/20260604071856.GA245424@unreal/ > Signed-off-by: Marek Szyprowski > --- > kernel/dma/direct.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c > index 4391b797d4db..d8219efe3273 100644 > --- a/kernel/dma/direct.c > +++ b/kernel/dma/direct.c > @@ -486,15 +486,14 @@ int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, int nents, > goto out_unmap; > } > break; > case PCI_P2PDMA_MAP_BUS_ADDR: > sg->dma_address = pci_p2pdma_bus_addr_map( > p2pdma_state.mem, sg_phys(sg)); > - sg_dma_len(sg) = sg->length; > sg_dma_mark_bus_address(sg); > - continue; > + break; > default: > ret = -EREMOTEIO; > goto out_unmap; > } > sg_dma_len(sg) = sg->length; > } Reviewed-by: Pranjal Shrivastava Thanks, Praan