The 'uname' part is necessary because the uname() function returns a

non-negative value.

diff --git a/widget/GfxInfoX11.cpp b/widget/GfxInfoX11.cpp

--- a/widget/GfxInfoX11.cpp

+++ b/widget/GfxInfoX11.cpp

@@ -135,7 +136,7 @@

// only useful for Linux kernel version check for FGLRX driver.

// assumes X client == X server, which is sad.

struct utsname unameobj;

- if (!uname(&unameobj))

+ if (uname(&unameobj) >= 0)

{

mOS.Assign(unameobj.sysname);

mOSRelease.Assign(unameobj.release);