From: Tobias Klauser Date: Wed, 5 May 2010 09:18:41 +0000 (+0200) Subject: USB: isp1760: Use resource_size X-Git-Tag: v2.6.35-rc1~471^2~99 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=e07afd3fb906647d37108206075834f8c670b7e3;p=linux.git USB: isp1760: Use resource_size Use the resource_size function instead of manually calculating the resource size. This reduces the chance of introducing off-by-one errors. Signed-off-by: Tobias Klauser Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c index 42a094605c92..8f0259eaa2c7 100644 --- a/drivers/usb/host/isp1760-if.c +++ b/drivers/usb/host/isp1760-if.c @@ -36,7 +36,7 @@ static int of_isp1760_probe(struct of_device *dev, struct resource memory; struct of_irq oirq; int virq; - u64 res_len; + resource_size_t res_len; int ret; const unsigned int *prop; unsigned int devflags = 0; @@ -45,13 +45,12 @@ static int of_isp1760_probe(struct of_device *dev, if (ret) return -ENXIO; - res = request_mem_region(memory.start, memory.end - memory.start + 1, - dev_name(&dev->dev)); + res_len = resource_size(&memory); + + res = request_mem_region(memory.start, res_len, dev_name(&dev->dev)); if (!res) return -EBUSY; - res_len = memory.end - memory.start + 1; - if (of_irq_map_one(dp, 0, &oirq)) { ret = -ENODEV; goto release_reg; @@ -92,7 +91,7 @@ static int of_isp1760_probe(struct of_device *dev, return ret; release_reg: - release_mem_region(memory.start, memory.end - memory.start + 1); + release_mem_region(memory.start, res_len); return ret; }