svn commit: r207062 - stable/7/sys/geom
Andriy Gapon
avg at FreeBSD.org
Thu Apr 22 12:50:02 UTC 2010
Author: avg
Date: Thu Apr 22 12:50:01 2010
New Revision: 207062
URL: http://svn.freebsd.org/changeset/base/207062
Log:
MFC r206650: g_io_check: respond to zero pp->mediasize with ENXIO
Modified:
stable/7/sys/geom/geom_io.c
Directory Properties:
stable/7/sys/ (props changed)
stable/7/sys/cddl/contrib/opensolaris/ (props changed)
stable/7/sys/contrib/dev/acpica/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
Modified: stable/7/sys/geom/geom_io.c
==============================================================================
--- stable/7/sys/geom/geom_io.c Thu Apr 22 12:24:59 2010 (r207061)
+++ stable/7/sys/geom/geom_io.c Thu Apr 22 12:50:01 2010 (r207062)
@@ -297,8 +297,8 @@ g_io_check(struct bio *bp)
case BIO_READ:
case BIO_WRITE:
case BIO_DELETE:
- /* Zero sectorsize is a probably lack of media */
- if (pp->sectorsize == 0)
+ /* Zero sectorsize or mediasize is probably a lack of media. */
+ if (pp->sectorsize == 0 || pp->mediasize == 0)
return (ENXIO);
/* Reject I/O not on sector boundary */
if (bp->bio_offset % pp->sectorsize)
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