Use resource_size function on resource object instead of explicit computation. The semantic patch that makes this output is available in scripts/coccinelle/api/resource_size.cocci. More information about semantic patching is available at http://coccinelle.lip6.fr/ Signed-off-by: Thomas Meyer <thomas@xxxxxxxx> --- diff -u -p a/drivers/media/video/davinci/vpbe_osd.c b/drivers/media/video/davinci/vpbe_osd.c --- a/drivers/media/video/davinci/vpbe_osd.c 2011-07-30 11:10:29.138430171 +0200 +++ b/drivers/media/video/davinci/vpbe_osd.c 2011-08-01 22:50:30.997700024 +0200 @@ -1162,7 +1162,7 @@ static int osd_probe(struct platform_dev goto free_mem; } osd->osd_base_phys = res->start; - osd->osd_size = res->end - res->start + 1; + osd->osd_size = resource_size(res); if (!request_mem_region(osd->osd_base_phys, osd->osd_size, MODULE_NAME)) { dev_err(osd->dev, "Unable to reserve OSD MMIO region\n"); diff -u -p a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c --- a/drivers/dma/ipu/ipu_idmac.c 2011-07-26 00:46:07.396850877 +0200 +++ b/drivers/dma/ipu/ipu_idmac.c 2011-08-01 22:52:59.680227876 +0200 @@ -1707,7 +1707,7 @@ static int __init ipu_probe(struct platf /* Remap IPU common registers */ ipu_data.reg_ipu = ioremap(mem_ipu->start, - mem_ipu->end - mem_ipu->start + 1); + resource_size(mem_ipu)); if (!ipu_data.reg_ipu) { ret = -ENOMEM; goto err_ioremap_ipu; @@ -1715,7 +1715,7 @@ static int __init ipu_probe(struct platf /* Remap Image Converter and Image DMA Controller registers */ ipu_data.reg_ic = ioremap(mem_ic->start, - mem_ic->end - mem_ic->start + 1); + resource_size(mem_ic)); if (!ipu_data.reg_ic) { ret = -ENOMEM; goto err_ioremap_ic; diff -u -p a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c --- a/drivers/dma/at_hdmac.c 2011-06-07 00:56:19.895211029 +0200 +++ b/drivers/dma/at_hdmac.c 2011-08-01 22:53:01.896882533 +0200 @@ -1216,7 +1216,7 @@ static int __init at_dma_probe(struct pl atdma->dma_common.cap_mask = pdata->cap_mask; atdma->all_chan_mask = (1 << pdata->nr_channels) - 1; - size = io->end - io->start + 1; + size = resource_size(io); if (!request_mem_region(io->start, size, pdev->dev.driver->name)) { err = -EBUSY; goto err_kfree; @@ -1362,7 +1362,7 @@ static int __exit at_dma_remove(struct p atdma->regs = NULL; io = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(io->start, io->end - io->start + 1); + release_mem_region(io->start, resource_size(io)); kfree(atdma); diff -u -p a/drivers/xen/xen-pciback/conf_space_header.c b/drivers/xen/xen-pciback/conf_space_header.c --- a/drivers/xen/xen-pciback/conf_space_header.c 2011-07-26 00:46:09.730171570 +0200 +++ b/drivers/xen/xen-pciback/conf_space_header.c 2011-08-01 23:02:39.180421787 +0200 @@ -187,7 +187,7 @@ static inline void read_dev_bar(struct p bar_info->val = res[pos].start | (res[pos].flags & PCI_REGION_FLAG_MASK); - bar_info->len_val = res[pos].end - res[pos].start + 1; + bar_info->len_val = resource_size(res); } static void *bar_init(struct pci_dev *dev, int offset) -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html