diff options
| author | green <green@FreeBSD.org> | 1999-08-04 18:53:50 +0000 |
|---|---|---|
| committer | green <green@FreeBSD.org> | 1999-08-04 18:53:50 +0000 |
| commit | c03366a55d4ace981b016ae999ae67675c486cdd (patch) | |
| tree | 12cd9e195ff9e1b516242767963c6e156b837539 /sys/kern/vfs_vnops.c | |
| parent | 0ab4dad80912358b49a3cee9e433dbd909334d19 (diff) | |
| download | FreeBSD-src-c03366a55d4ace981b016ae999ae67675c486cdd.zip FreeBSD-src-c03366a55d4ace981b016ae999ae67675c486cdd.tar.gz | |
Fix fd race conditions (during shared fd table usage.) Badfileops is
now used in f_ops in place of NULL, and modifications to the files
are more carefully ordered. f_ops should also be set to &badfileops
upon "close" of a file.
This does not fix other problems mentioned in this PR than the first
one.
PR: 11629
Reviewed by: peter
Diffstat (limited to 'sys/kern/vfs_vnops.c')
| -rw-r--r-- | sys/kern/vfs_vnops.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c index 04c5ef5..c6663de 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)vfs_vnops.c 8.2 (Berkeley) 1/21/94 - * $Id: vfs_vnops.c,v 1.70 1999/07/08 06:05:56 mckusick Exp $ + * $Id: vfs_vnops.c,v 1.71 1999/07/26 06:25:18 alc Exp $ */ #include <sys/param.h> @@ -48,6 +48,7 @@ #include <sys/mount.h> #include <sys/namei.h> #include <sys/vnode.h> +#include <sys/buf.h> #include <sys/filio.h> #include <sys/ttycom.h> @@ -563,6 +564,7 @@ vn_closefile(fp, p) struct proc *p; { + fp->f_ops = &badfileops; return (vn_close(((struct vnode *)fp->f_data), fp->f_flag, fp->f_cred, p)); } |
