Re: Linux device number bug report

[Yoshinori K. Okuji]

On Tuesday 13 January 2004 04:38, Shen Feng wrote:
> I think the following code in lib/device.c
>
>      60 # ifndef MAJOR
>      61 #  ifndef MINORBITS
>      62 #   define MINORBITS    8
>      63 #  endif /* ! MINORBITS */
>      64 #  define MAJOR(dev)    ((unsigned int) ((dev) >> MINORBITS))
>      65 # endif /* ! MAJOR */
>
> should be changed as following:
>
>      60 # ifndef MAJOR
>      61 #  define MAJOR(dev)    ((dev >> 8) & 0xfff) | ((unsigned
> int) (dev >> 32) & ~0xfff) 62 # endif /* ! MAJOR */

It seems not to change anything. Did you try the code?

> The code "((dev >> 8) & 0xfff) | ((unsigned int) (dev >> 32) &
> ~0xfff)" is from glibc. I think this will fix the Linux device number
> extention bug. Is it OK?

I guess it is in an old version of glibc.

Okuji