On Sun, 13 Mar 2005, Ben Dooks wrote:
> This is an updated patch for the OHCI host controller
> on the Samsung S3C24xx series of CPUs. The patch is
> an re-work of the previous patch sent to the list,
> with some tidying, and updated to the 2.6.11-bk9
> kernel release.
> + hcd = usb_create_hcd(driver, &dev->dev, "s3c24xx");
> + if (hcd == NULL)
> + return -ENOMEM;
> +
> + hcd->rsrc_start = dev->resource[0].start;
> + hcd->rsrc_len = dev->resource[0].end - dev->resource[0].start + 1;
> +
> + if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
> + dev_err(&dev->dev, "request_mem_region failed");
> + return -EBUSY;
> + }
There's a memory leak here if request_mem_region fails. You need to call
usb_put_hcd. Or rearrange the code so that hcd is allocated after the
request_mem_region call.
Alan Stern
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