Re: [PATCH] usb-storage: don't call utsname()

From: Christoph Hellwig
Date: Wed May 21 2008 - 14:54:02 EST


On Wed, May 21, 2008 at 11:09:57AM -0700, Greg KH wrote:
> Why? With this change, if you change the version number, the file will
> have to be rebuilt. Without the change, the file will not need to be
> rebuilt, right?

Because thanks to the container patches it utsname fields other than
hostname can actually change at runtime now and you'll get races looking
at them. And probably not the output you want if someone in your
container changes the kernel version to trick applications.
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