igb_uio: fix build with kernel < 3.2

[dpdk.git] / lib / librte_eal / linuxapp / igb_uio / igb_uio.c

diff --git a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
index 41bf6ea..192bd4a 100644 (file)
--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -431,8 +431,10 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
         * the iommu identity mapping if kernel boots with iommu=pt.
         * Note this is not a problem if no IOMMU at all.
         */
-       map_addr = dma_zalloc_coherent(&dev->dev, 1024,
-                                      &map_dma_addr, GFP_KERNEL);
+       map_addr = dma_alloc_coherent(&dev->dev, 1024, &map_dma_addr,
+                       GFP_KERNEL);
+       if (map_addr)
+               memset(map_addr, 0, 1024);
 
        if (!map_addr)
                dev_info(&dev->dev, "dma mapping failed\n");