From 93d03203d5a165d7a757546245dd1543dfe0ff80 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 18 Mar 2011 21:53:03 -0700 Subject: [PATCH] ftmac100: use resource_size() The calculation is off-by-one. It should be "end - start + 1". This patch fixes it to use resource_size() instead. Oddly, the code already uses resource size correctly a couple lines earlier when it calls request_mem_region() for this memory. Signed-off-by: Dan Carpenter Signed-off-by: David S. Miller --- drivers/net/ftmac100.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ftmac100.c b/drivers/net/ftmac100.c index 1d6f4b8..a316619 100644 --- a/drivers/net/ftmac100.c +++ b/drivers/net/ftmac100.c @@ -1102,7 +1102,7 @@ static int ftmac100_probe(struct platform_device *pdev) goto err_req_mem; } - priv->base = ioremap(res->start, res->end - res->start); + priv->base = ioremap(res->start, resource_size(res)); if (!priv->base) { dev_err(&pdev->dev, "Failed to ioremap ethernet registers\n"); err = -EIO; -- 2.7.4