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[functional-tests] Improve error message in create-device

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This commit is contained in:
Joe Thornber 2017-12-15 11:18:09 +00:00
parent ee40e4becf
commit 2614078188
1 changed files with 4 additions and 3 deletions
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5
functional-tests/device-mapper/ioctl.scm
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@ -200,9 +200,10 @@
(dynamic-wind (dynamic-wind
(lambda () #f) (lambda () #f)
(lambda () (lambda ()
(if (zero? (create (current-dm-interface) name uuid major minor)) (let ((r (create (current-dm-interface) name uuid major minor)))
(if (zero? r)
(make-dm-device name (deref-u32 major) (deref-u32 minor)) (make-dm-device name (deref-u32 major) (deref-u32 minor))
(fail "create-device failed"))) (fail (fmt #f "create-device failed with error code " r)))))
(lambda () (lambda ()
(free-u32 major) (free-u32 major)
(free-u32 minor))))) (free-u32 minor)))))