qlge: bugfix: Add missing pci_mapping_err checking.

Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
git-mirror · Jan 5, 2009 · c907a35 · c907a35
1 parent 2269201
commit c907a35
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
@@ -963,6 +963,11 @@ static void ql_update_sbq(struct ql_adapter *qdev, struct rx_ring *rx_ring)
 						     sbq_desc->p.skb->data,
 						     rx_ring->sbq_buf_size /
 						     2, PCI_DMA_FROMDEVICE);
+				if (pci_dma_mapping_error(qdev->pdev, map)) {
+					QPRINTK(qdev, IFUP, ERR, "PCI mapping failed.\n");
+					rx_ring->sbq_clean_idx = clean_idx;
+					return;
+				}
 				pci_unmap_addr_set(sbq_desc, mapaddr, map);
 				pci_unmap_len_set(sbq_desc, maplen,
 						  rx_ring->sbq_buf_size / 2);