tree-wide: fix assorted typos all over the place

That is "success", "unknown", "through", "performance", "[re|un]mapping"
, "access", "default", "reasonable", "[con]currently", "temperature"
, "channel", "[un]used", "application", "example","hierarchy", "therefore"
, "[over|under]flow", "contiguous", "threshold", "enough" and others.

Signed-off-by: André Goddard Rosa <andre.goddard@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/net/mlx4/en_rx.c b/drivers/net/mlx4/en_rx.c
index 03b781a..829b9ec 100644
--- a/drivers/net/mlx4/en_rx.c
+++ b/drivers/net/mlx4/en_rx.c
@@ -204,7 +204,7 @@
 		en_dbg(DRV, priv, "Freeing fragment:%d\n", nr);
 		dma = be64_to_cpu(rx_desc->data[nr].addr);
 
-		en_dbg(DRV, priv, "Unmaping buffer at dma:0x%llx\n", (u64) dma);
+		en_dbg(DRV, priv, "Unmapping buffer at dma:0x%llx\n", (u64) dma);
 		pci_unmap_single(mdev->pdev, dma, skb_frags[nr].size,
 				 PCI_DMA_FROMDEVICE);
 		put_page(skb_frags[nr].page);