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authorDan Carpenter <error27@gmail.com>2011-03-19 07:53:03 +0300
committerDavid S. Miller <davem@davemloft.net>2011-03-19 07:53:03 +0300
commit93d03203d5a165d7a757546245dd1543dfe0ff80 (patch)
treeac2019f7d1509dff913bf063a613f0e24630a97a
parentb51bdad63046d1d5a4807630cc8c02845cf67893 (diff)
downloadlinux-93d03203d5a165d7a757546245dd1543dfe0ff80.tar.xz
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 <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ftmac100.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ftmac100.c b/drivers/net/ftmac100.c
index 1d6f4b8d393a..a31661948c42 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;