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| author | dg <dg@FreeBSD.org> | 1995-04-15 00:49:35 +0000 |
|---|---|---|
| committer | dg <dg@FreeBSD.org> | 1995-04-15 00:49:35 +0000 |
| commit | 9dad5219aa9266ebf915c046ed308f83e5e9abe0 (patch) | |
| tree | e8958fa46783dc57d1b6954135dfb3063cb788f4 /sys/kern/vfs_cache.c | |
| parent | 16a72c3c13c7b20c52f9e49a8b783355681824c8 (diff) | |
| download | FreeBSD-src-9dad5219aa9266ebf915c046ed308f83e5e9abe0.zip FreeBSD-src-9dad5219aa9266ebf915c046ed308f83e5e9abe0.tar.gz | |
Fixed serious off by one bug I introduced that will likely cause the
machine to panic whenever the name cache fills up.
Submitted by: John Dyson
Diffstat (limited to 'sys/kern/vfs_cache.c')
| -rw-r--r-- | sys/kern/vfs_cache.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sys/kern/vfs_cache.c b/sys/kern/vfs_cache.c index bb4b8be..e8f1b16 100644 --- a/sys/kern/vfs_cache.c +++ b/sys/kern/vfs_cache.c @@ -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 || |
