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When clearing a fragment, it's possible that the length is zero.

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Reviewed by:	mckusick
MFC After:	1 week
This commit is contained in:
delphij 2005-02-19 07:31:33 +00:00
parent 2aa2e45138
commit 5cbf47b7d1
1 changed files with 1 additions and 1 deletions
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2
sys/ufs/ffs/ffs_snapshot.c
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@ -474,7 +474,7 @@ loop:
loc = howmany(xp->i_size, fs->fs_bsize) - 1;
if (loc < NDADDR) {
len = fragroundup(fs, blkoff(fs, xp->i_size));
if (len < fs->fs_bsize) {
if (len != 0 && len < fs->fs_bsize) {
ffs_blkfree(ump, copy_fs, vp,
DIP(xp, i_db[loc]), len, xp->i_number);
blkno = DIP(xp, i_db[loc]);