Hi Michael,

Thanks for the patch. Couple of comments below:

On 05/18/2018 08:39 AM, Michael Grzeschik wrote:
> As the amount of available ports varies by the kernels build
> configuration. To remove the limitation of the fixed 128 ports
> we allocate the amount of idevs by using the number we get
> from the kernel.
> 
> Signed-off-by: Michael Grzeschik <m.grzesc...@pengutronix.de>
> ---
>  tools/usb/usbip/libsrc/vhci_driver.c | 11 ++++++++---
>  tools/usb/usbip/libsrc/vhci_driver.h |  3 +--
>  2 files changed, 9 insertions(+), 5 deletions(-)
> 
> diff --git a/tools/usb/usbip/libsrc/vhci_driver.c 
> b/tools/usb/usbip/libsrc/vhci_driver.c
> index c9c81614a66ad..9a8acfc7697fa 100644
> --- a/tools/usb/usbip/libsrc/vhci_driver.c
> +++ b/tools/usb/usbip/libsrc/vhci_driver.c
> @@ -266,11 +266,11 @@ int usbip_vhci_driver_open(void)
>       if (vhci_driver->nports <= 0) {
>               err("no available ports");
>               goto err;
> -     } else if (vhci_driver->nports > MAXNPORT) {
> -             err("port number exceeds %d", MAXNPORT);
> -             goto err;
>       }
>  
> +     vhci_driver->idev = calloc(vhci_driver->nports,
> +                     sizeof(struct usbip_imported_device));
> +

Missing check for memory allocation failure. Please add it.

>       vhci_driver->ncontrollers = get_ncontrollers();
>       dbg("available controllers: %d", vhci_driver->ncontrollers);
>  
> @@ -287,6 +287,9 @@ int usbip_vhci_driver_open(void)
>  err:
>       udev_device_unref(vhci_driver->hc_device);
>  
> +     if (vhci_driver->idev)
> +             free(vhci_driver->idev);
> +
>       if (vhci_driver)
>               free(vhci_driver);
>  
> @@ -305,6 +308,8 @@ void usbip_vhci_driver_close(void)
>  
>       udev_device_unref(vhci_driver->hc_device);
>  
> +     free(vhci_driver->idev);
> +
>       free(vhci_driver);
>  
>       vhci_driver = NULL;
> diff --git a/tools/usb/usbip/libsrc/vhci_driver.h 
> b/tools/usb/usbip/libsrc/vhci_driver.h
> index 418b404d51210..67dbd1551e159 100644
> --- a/tools/usb/usbip/libsrc/vhci_driver.h
> +++ b/tools/usb/usbip/libsrc/vhci_driver.h
> @@ -13,7 +13,6 @@
>  
>  #define USBIP_VHCI_BUS_TYPE "platform"
>  #define USBIP_VHCI_DEVICE_NAME "vhci_hcd.0"
> -#define MAXNPORT 128
>  
>  enum hub_speed {
>       HUB_SPEED_HIGH = 0,
> @@ -41,7 +40,7 @@ struct usbip_vhci_driver {
>  
>       int ncontrollers;
>       int nports;
> -     struct usbip_imported_device idev[MAXNPORT];
> +     struct usbip_imported_device *idev;
>  };
>  
>  
> 

Rest looks good.

thanks,
-- Shuah
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