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a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=deltatee.com; s=20200525; h=Subject:MIME-Version:References:In-Reply-To: Message-Id:Date:Cc:To:From:content-disposition; bh=9b2AxuIBWP2rX2JFr1XI1eezzTEXnwjOp4q66fJ74+c=; b=VCPgoVUtOm1WHuYxUHm4B1Cez8 mgKPoApw/BVoyttnimQ9wao0paXUXJOoWTAeKzNKD0b0O+PN9rIuu9MsL7D1WqhjVospH7QSfnqgj tTtiY2untOl16Pf7pL3yLEXYv6FxLsiAJ5ZsMsouM+77PPl6NvU9bLajRizBa52UjsZUcwOV8FZ4M 2S6UZiOc8TCY4kwYOpVtUj9vcMBY8wlOdOt0ijVuZXzMwmGJLwtdBOqLxWpKTNem65sdax/XiI4NB 43PpGNCFhqXYOTFcO5eqUIoab7HGZEhnpz9t86SRNmXYO4aEoyDeVnz1VOxnsMe9SZs6AtMd7Nu8A RQrbtdcw==; From: Logan Gunthorpe To: linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, iommu@lists.linux-foundation.org, linux-parisc@vger.kernel.org, xen-devel@lists.xenproject.org Cc: Christoph Hellwig , Marek Szyprowski , Robin Murphy , Stephen Bates , Martin Oliveira , Logan Gunthorpe , Thomas Bogendoerfer Date: Thu, 15 Jul 2021 10:45:36 -0600 Message-Id: <20210715164544.6827-9-logang@deltatee.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210715164544.6827-1-logang@deltatee.com> References: <20210715164544.6827-1-logang@deltatee.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-SA-Exim-Connect-IP: 172.16.1.31 X-SA-Exim-Rcpt-To: linux-arm-kernel@lists.infradead.org, linuxppc-dev@lists.ozlabs.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, linux-alpha@vger.kernel.org, linux-ia64@vger.kernel.org, linux-mips@vger.kernel.org, linux-s390@vger.kernel.org, sparclinux@vger.kernel.org, linux-parisc@vger.kernel.org, xen-devel@lists.xenproject.org, hch@lst.de, m.szyprowski@samsung.com, robin.murphy@arm.com, sbates@raithlin.com, martin.oliveira@eideticom.com, logang@deltatee.com, tsbogend@alpha.franken.de X-SA-Exim-Mail-From: gunthorp@deltatee.com X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on ale.deltatee.com X-Spam-Level: X-Spam-Status: No, score=-6.7 required=5.0 tests=ALL_TRUSTED,BAYES_00, MYRULES_NO_TEXT autolearn=no autolearn_force=no version=3.4.2 Subject: [PATCH v1 08/16] MIPS/jazzdma: return error code from jazz_dma_map_sg() X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on ale.deltatee.com) X-ZohoMail-DKIM: pass (identity @deltatee.com) X-ZM-MESSAGEID: 1626367615506100002 Content-Type: text/plain; charset="utf-8" From: Martin Oliveira The .map_sg() op now expects an error code instead of zero on failure. vdma_alloc() may fail for different reasons, but since it only supports indicating an error via a return of DMA_MAPPING_ERROR, we coalesce the different reasons into -EINVAL. Signed-off-by: Martin Oliveira Signed-off-by: Logan Gunthorpe Cc: Thomas Bogendoerfer --- arch/mips/jazz/jazzdma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/jazz/jazzdma.c b/arch/mips/jazz/jazzdma.c index 461457b28982..3b99743435db 100644 --- a/arch/mips/jazz/jazzdma.c +++ b/arch/mips/jazz/jazzdma.c @@ -552,7 +552,7 @@ static int jazz_dma_map_sg(struct device *dev, struct s= catterlist *sglist, dir); sg->dma_address =3D vdma_alloc(sg_phys(sg), sg->length); if (sg->dma_address =3D=3D DMA_MAPPING_ERROR) - return 0; + return -EINVAL; sg_dma_len(sg) =3D sg->length; } -- 2.20.1