tree 7a4a47e6ccfe8b21efb99a438deb7369dff13ba3
parent c4982110ae93d7575503feb81d15e93c0c5f393c
author Tomas Racek <tracek@redhat.com> 1344933304 +0200
committer Ben Myers <bpm@sgi.com> 1345153372 -0500

xfs: check for possible overflow in xfs_ioc_trim

If range.start or range.minlen is bigger than filesystem size, return
invalid value error. This fixes possible overflow in BTOBB macro when
passed value was nearly ULLONG_MAX.

Signed-off-by: Tomas Racek <tracek@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>