On Sun, Jan 24, 2010 at 05:34:52PM +0100, Christian Krause wrote:
> Resend. The patch was already sent to the list on 2009-12-11. It would
> be great if it could be reviewed and applied. Thank you very much
> in advance.
>
> The WLAN USB stick ZyXEL NWD271N (0586:3417) uses very large
> usb control transfers of more than 2048 bytes which won't fit
> into the buffer of the ctrl_struct. This results in an error message
> "husb: ctrl buffer too small" and a non-working device.
> Increasing the buffer size to 8192 seems to be a safe choice.
>
> Signed-off-by: Christian Krause <[email protected]>
Are there any drawbacks to make\ing the buffer larger?
If no, let's just make it 64K? IIUC that's a maximum
length for control transfers as length is a 16 bit field.
> ---
> usb-linux.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/usb-linux.c b/usb-linux.c
> index 285ac22..d205bd3 100644
> --- a/usb-linux.c
> +++ b/usb-linux.c
> @@ -113,7 +113,7 @@ struct ctrl_struct {
> uint16_t offset;
> uint8_t state;
> struct usb_ctrlrequest req;
> - uint8_t buffer[2048];
> + uint8_t buffer[8192];
> };
>
> struct USBAutoFilter {
> --
> 1.6.2.5
>
>
