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Stefano Stabellini authored
In order to use "len" to check for xenbus_read errors properly, we need to initialize len to 0 before passing it to xenbus_read. CC: dan.carpenter@oracle.com CC: jgross@suse.com CC: boris.ostrovsky@oracle.com CC: Eric Van Hensbergen <ericvh@gmail.com> CC: Ron Minnich <rminnich@sandia.gov> CC: Latchesar Ionkov <lucho@ionkov.net> CC: v9fs-developer@lists.sourceforge.net Signed-off-by:
Stefano Stabellini <stefano@aporeto.com> Reviewed-by:
Juergen Gross <jgross@suse.com> Signed-off-by:
Juergen Gross <jgross@suse.com>
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