[uClinux-dev] FW: patch

[Greg Ungerer]

Hi Assaf,

Assaf Harel wrote:
> The patch below allows using Wireless Extensions version > 16 (version 
> 18 required for 11i support) in the latest 2.4 kernel.

Hmmm, it may well allow it - but it is buggy.
That standard_ioctl_num value is used to check array bounds,
on the command table entries.

Regards
Greg



> # svn diff -r 1328:1330 linux-2.4.x/net/core/wireless.c
> Index: linux-2.4.x/net/core/wireless.c
> ===================================================================
> --- linux-2.4.x/net/core/wireless.c     (revision 1328)
> +++ linux-2.4.x/net/core/wireless.c     (revision 1330)
> @@ -180,8 +180,7 @@
>         /* SIOCGIWPOWER */
>         { IW_HEADER_TYPE_PARAM, 0, 0, 0, 0, 0},
>  };
> -static const int standard_ioctl_num = (sizeof(standard_ioctl) /
> -                                      sizeof(struct iw_ioctl_description));
> +static const int standard_ioctl_num = SIOCIWLAST - SIOCIWFIRST;
> 
>      
>      /*
>       * Meta-data about all the additional standard Wireless Extension
>     events
>      
>      
>      
> 
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Greg Ungerer  --  Chief Software Dude       EMAIL:     gerg at snapgear.com
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