tree 219dca44fab19e9e829c9df10a0bf4af5fb32bef
parent c9d76a24a28917c1ef6833f40c4ceff2e81b3ebb
author Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1370380312 -0400
committer Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1370868216 -0400

xen/time: Check that the per_cpu data structure has data before freeing.

We don't check whether the per_cpu data structure has actually
been freed in the past. This checks it and if it has been freed
in the past then just continues on without double-freeing.

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>