Merge branch 'omap/multiplatform-fixes', tag 'v3.8-rc5' into next/multiplatform

[firefly-linux-kernel-4.4.55.git] / drivers / staging / rtl8192e / rtl8192e / rtl_core.c

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index 1a70f324552f14becf86c43d347b4977b84cd94e..4ebf99b3097543b07cad50a264e700d70b926e27 100644 (file)
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -2104,7 +2104,10 @@ static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
                                                  skb_tail_pointer_rsl(skb),
                                                  priv->rxbuffersize,
                                                  PCI_DMA_FROMDEVICE);
-
+                       if (pci_dma_mapping_error(priv->pdev, *mapping)) {
+                               dev_kfree_skb_any(skb);
+                               return -1;
+                       }
                        entry->BufferAddress = cpu_to_le32(*mapping);
 
                        entry->Length = priv->rxbuffersize;
@@ -2397,7 +2400,11 @@ static void rtl8192_rx_normal(struct net_device *dev)
                                                    skb_tail_pointer_rsl(skb),
                                                    priv->rxbuffersize,
                                                    PCI_DMA_FROMDEVICE);
-
+                       if (pci_dma_mapping_error(priv->pdev,
+                                                 *((dma_addr_t *)skb->cb))) {
+                               dev_kfree_skb_any(skb);
+                               return;
+                       }
                }
 done:
                pdesc->BufferAddress = cpu_to_le32(*((dma_addr_t *)skb->cb));