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fsck_msdosfs: Adjust a check.

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The on-disk FAT array does not include anything before CLUST_FIRST,
compensate in size check.

Obtained from:	NetBSD (CVS Rev. 1.20)
MFC after:	2 weeks
This commit is contained in:
pfg 2016-05-04 22:27:22 +00:00
parent fab5cc8f2f
commit d0f63ec230
1 changed files with 1 additions and 1 deletions
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2
sbin/fsck_msdosfs/boot.c
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@ -221,7 +221,7 @@ readboot(int dosfs, struct bootblock *boot)
break;
}
if (boot->NumFatEntries < boot->NumClusters) {
if (boot->NumFatEntries < boot->NumClusters - CLUST_FIRST) {
pfatal("FAT size too small, %u entries won't fit into %u sectors\n",
boot->NumClusters, boot->FATsecs);
return FSFATAL;