mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-03 17:40:04 +00:00
USB: gadget: imx_udc: 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 <tklauser@distanz.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
parent
2f13612a86
commit
d86a83f4ac
1 changed files with 4 additions and 4 deletions
|
@ -1402,7 +1402,8 @@ static int __init imx_udc_probe(struct platform_device *pdev)
|
|||
struct clk *clk;
|
||||
void __iomem *base;
|
||||
int ret = 0;
|
||||
int i, res_size;
|
||||
int i;
|
||||
resource_size_t res_size;
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
if (!res) {
|
||||
|
@ -1416,7 +1417,7 @@ static int __init imx_udc_probe(struct platform_device *pdev)
|
|||
return -ENODEV;
|
||||
}
|
||||
|
||||
res_size = res->end - res->start + 1;
|
||||
res_size = resource_size(res);
|
||||
if (!request_mem_region(res->start, res_size, res->name)) {
|
||||
dev_err(&pdev->dev, "can't allocate %d bytes at %d address\n",
|
||||
res_size, res->start);
|
||||
|
@ -1527,8 +1528,7 @@ static int __exit imx_udc_remove(struct platform_device *pdev)
|
|||
clk_disable(imx_usb->clk);
|
||||
iounmap(imx_usb->base);
|
||||
|
||||
release_mem_region(imx_usb->res->start,
|
||||
imx_usb->res->end - imx_usb->res->start + 1);
|
||||
release_mem_region(imx_usb->res->start, resource_size(imx_usb->res));
|
||||
|
||||
if (pdata->exit)
|
||||
pdata->exit(&pdev->dev);
|
||||
|
|
Loading…
Reference in a new issue