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Do not overflow crashdumpmap.

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Reported and tested by:	pho
Reviewed by:	jhb
MFC after:	1 week
This commit is contained in:
Konstantin Belousov 2008-10-21 18:52:38 +00:00
parent 03befed82c
commit 7a882637fe
1 changed files with 1 additions and 1 deletions
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2
sys/geom/geom_disk.c
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@ -179,7 +179,7 @@ g_disk_kerneldump(struct bio *bp, struct disk *dp)
di.dumper = dp->d_dump;
di.priv = dp;
di.blocksize = dp->d_sectorsize;
di.maxiosize = dp->d_maxsize;
di.maxiosize = min(dp->d_maxsize, MAXDUMPPGS * PAGE_SIZE);
di.mediaoffset = gkd->offset;
if ((gkd->offset + gkd->length) > dp->d_mediasize)
gkd->length = dp->d_mediasize - gkd->offset;