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Fixed serious off by one bug I introduced that will likely cause the

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machine to panic whenever the name cache fills up.

Submitted by:	John Dyson
This commit is contained in:
dg 1995-04-15 00:49:35 +00:00
parent a38dfc6ec2
commit b35ab421d2
1 changed files with 3 additions and 3 deletions
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6
sys/kern/vfs_cache.c
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@ -33,7 +33,7 @@
* SUCH DAMAGE.
*
* @(#)vfs_cache.c 8.3 (Berkeley) 8/22/94
* $Id: vfs_cache.c,v 1.12 1995/03/19 09:33:51 davidg Exp $
* $Id: vfs_cache.c,v 1.13 1995/04/04 02:01:13 davidg Exp $
*/
#include <sys/param.h>
@ -271,7 +271,7 @@ cache_purge(vp)
vp->v_id = ++nextvnodeid;
if (nextvnodeid != 0)
return;
for (ncpp = &nchashtbl[nchash]; ncpp >= nchashtbl; ncpp--) {
for (ncpp = &nchashtbl[nchash - 1]; ncpp >= nchashtbl; ncpp--) {
while(ncpp->lh_first)
PURGE(ncpp->lh_first);
}
@ -296,7 +296,7 @@ cache_purgevfs(mp)
struct namecache *ncp, *nxtcp;
/* Scan hash tables for applicable entries */
for (ncpp = &nchashtbl[nchash]; ncpp >= nchashtbl; ncpp--) {
for (ncpp = &nchashtbl[nchash - 1]; ncpp >= nchashtbl; ncpp--) {
ncp = ncpp->lh_first;
while(ncp) {
if (ncp->nc_dvpid != ncp->nc_dvp->v_id ||