From: Dan Carpenter dan.carpenter@oracle.com
[ 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 dan.carpenter@oracle.com Signed-off-by: Jason Gunthorpe jgg@mellanox.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/qib/qib_sdma.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/qib/qib_sdma.c b/drivers/infiniband/hw/qib/qib_sdma.c index d0723d4aef5c9..7424e88b0d918 100644 --- a/drivers/infiniband/hw/qib/qib_sdma.c +++ b/drivers/infiniband/hw/qib/qib_sdma.c @@ -576,8 +576,10 @@ 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 */