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Add missing check for LINK_MAX in ufs_rename. Since ip->i_effnlink and

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ip->nlink were different types, there was a masked overflow.

Reported by: Mark Slemco <marcs@znep.com>
This commit is contained in:
imp 1999-02-25 09:52:46 +00:00
parent 9ef78c7286
commit f6b1037575
1 changed files with 5 additions and 1 deletions
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6
sys/ufs/ufs/ufs_vnops.c
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@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)ufs_vnops.c 8.27 (Berkeley) 5/27/95
* $Id: ufs_vnops.c,v 1.107 1999/02/13 08:38:28 dillon Exp $
* $Id: ufs_vnops.c,v 1.108 1999/02/25 05:35:53 dillon Exp $
*/
#include "opt_quota.h"
@ -1017,6 +1017,10 @@ abortit:
* completing our work, the link count
* may be wrong, but correctable.
*/
if (ip->i_nlink >= LINK_MAX) {
error = EMLINK;
goto bad;
}
ip->i_effnlink++;
ip->i_nlink++;
ip->i_flag |= IN_CHANGE;