From: Dan Carpenter Date: Mon, 17 Dec 2018 07:05:36 +0000 (+0300) Subject: IB/qib: Fix an error code in qib_sdma_verbs_send() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=652904f9337fd43e15437b91cd9a26d1d0a49676;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git IB/qib: Fix an error code in qib_sdma_verbs_send() [ Upstream commit 5050ae5fa3d54c8e83e1e447cc7e3591110a7f57 ] We accidentally return success on this error path. Fixes: f931551bafe1 ("IB/qib: Add new qib driver for QLogic PCIe InfiniBand adapters") Signed-off-by: Dan Carpenter Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- diff --git a/drivers/infiniband/hw/qib/qib_sdma.c b/drivers/infiniband/hw/qib/qib_sdma.c index 891873b38a1e..5f3f197678b7 100644 --- a/drivers/infiniband/hw/qib/qib_sdma.c +++ b/drivers/infiniband/hw/qib/qib_sdma.c @@ -600,8 +600,10 @@ retry: dw = (len + 3) >> 2; addr = dma_map_single(&ppd->dd->pcidev->dev, sge->vaddr, dw << 2, DMA_TO_DEVICE); - if (dma_mapping_error(&ppd->dd->pcidev->dev, addr)) + if (dma_mapping_error(&ppd->dd->pcidev->dev, addr)) { + ret = -ENOMEM; goto unmap; + } sdmadesc[0] = 0; make_sdma_desc(ppd, sdmadesc, (u64) addr, dw, dwoffset); /* SDmaUseLargeBuf has to be set in every descriptor */