drivers/md/dm-mpath.c:478: suspicious code ?

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Subject: drivers/md/dm-mpath.c:478: suspicious code ?
From: David Binderman <dcb314@xxxxxxxxxxx>
Date: Fri, 6 Jan 2017 17:52:21 +0000
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Hello there,

drivers/md/dm-mpath.c:478:19: warning: decrement of a boolean expression [-Wbool-operation]

Source code is

   } while (bypassed--);

Suggest code rework. Maybe a boolean / int type mixup ?

Regards

David Binderman

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