Author: mav
Date: Thu Jun 21 15:14:51 2012
New Revision: 237401
URL: http://svn.freebsd.org/changeset/base/237401
Log:
Make cam_periph_hold() behavior consistent: drop taken reference and
return ENXIO if periph was invalidated while we were waiting for it.
MFC after: 1 week
Modified:
head/sys/cam/cam_periph.c
Modified: head/sys/cam/cam_periph.c
==============================================================================
--- head/sys/cam/cam_periph.c Thu Jun 21 14:55:35 2012 (r237400)
+++ head/sys/cam/cam_periph.c Thu Jun 21 15:14:51 2012 (r237401)
@@ -440,6 +440,10 @@ cam_periph_hold(struct cam_periph *perip
cam_periph_release_locked(periph);
return (error);
}
+ if (periph->flags & CAM_PERIPH_INVALID) {
+ cam_periph_release_locked(periph);
+ return (ENXIO);
+ }
}
periph->flags |= CAM_PERIPH_LOCKED;
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