[patch] fix kernel version parsing when it has more than 3 components

[Joseph S. Myers]

On Sat, 7 Jul 2007, Mike Frysinger wrote:

> with kernel versions having more than 3 components being common place, a bug 
> was noticed in _dl_discover_osversion() where it would parse all parts of the 
> kernel version rather than just consuming the first 3.  for example, the 
> function would return incorrect values when running on "2.6.21.5" but would 
> work properly on "2.6.21".  the attached patch fixes this by bailing out 
> after processing the first three components.

A patch to do this was previously submitted by Daniel 
<http://sourceware.org/ml/libc-alpha/2003-11/msg00010.html> (and rejected; 
at that time this version format may not have been in use by standard 
kernels, whereas it is now).

-- 
Joseph S. Myers
joseph@codesourcery.com