From b62226826b4ea1926b644b5a337ffa6b637d4870 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 7 Apr 2010 21:50:08 -0700 Subject: [PATCH] stmmac: use resource_size() Resource size should be calculated as end - start + 1 because we start counting at zero. I changed the code to resource_size() to do the calculation. Signed-off-by: Dan Carpenter Signed-off-by: David S. Miller --- drivers/net/stmmac/stmmac_main.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/stmmac/stmmac_main.c b/drivers/net/stmmac/stmmac_main.c index a6733612d64a..55317adec33d 100644 --- a/drivers/net/stmmac/stmmac_main.c +++ b/drivers/net/stmmac/stmmac_main.c @@ -1685,7 +1685,7 @@ static int stmmac_dvr_probe(struct platform_device *pdev) } pr_info("done!\n"); - if (!request_mem_region(res->start, (res->end - res->start), + if (!request_mem_region(res->start, resource_size(res), pdev->name)) { pr_err("%s: ERROR: memory allocation failed" "cannot get the I/O addr 0x%x\n", @@ -1694,9 +1694,9 @@ static int stmmac_dvr_probe(struct platform_device *pdev) goto out; } - addr = ioremap(res->start, (res->end - res->start)); + addr = ioremap(res->start, resource_size(res)); if (!addr) { - pr_err("%s: ERROR: memory mapping failed \n", __func__); + pr_err("%s: ERROR: memory mapping failed\n", __func__); ret = -ENOMEM; goto out; } @@ -1774,7 +1774,7 @@ static int stmmac_dvr_probe(struct platform_device *pdev) out: if (ret < 0) { platform_set_drvdata(pdev, NULL); - release_mem_region(res->start, (res->end - res->start)); + release_mem_region(res->start, resource_size(res)); if (addr != NULL) iounmap(addr); } @@ -1812,7 +1812,7 @@ static int stmmac_dvr_remove(struct platform_device *pdev) iounmap((void *)ndev->base_addr); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, (res->end - res->start)); + release_mem_region(res->start, resource_size(res)); free_netdev(ndev); -- 2.20.1