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ext2fs: fix a check for negative block numbers.

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The previous change accidentally left the substraction we
were trying to avoid in case that i_blocks could become
negative.

Reported by:	bde
MFC after:	4 days
This commit is contained in:
pfg 2013-01-23 14:29:29 +00:00
parent 107e0c39a8
commit f4f6188cae
1 changed files with 1 additions and 2 deletions
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3
sys/fs/ext2fs/ext2_inode.c
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@ -341,10 +341,9 @@ ext2_truncate(vp, length, flags, cred, td)
* Put back the real size.
*/
oip->i_size = length;
oip->i_blocks -= blocksreleased;
if (oip->i_blocks > blocksreleased)
oip->i_blocks -= blocksreleased;
else /* sanity */
else /* sanity */
oip->i_blocks = 0;
oip->i_flag |= IN_CHANGE;
vnode_pager_setsize(ovp, length);