Date: Sat, 23 Jun 2001 10:06:36 -0700 (PDT) From: Matt Dillon <dillon@earth.backplane.com> To: Bruce Evans <bde@zeta.org.au> Cc: Bakul Shah <bakul@bitblocks.com>, current@FreeBSD.ORG Subject: Re: Ok, try this patch. (was Re: symlink(2) [Was: Re: tcsh.cat]) Message-ID: <200106231706.f5NH6a872811@earth.backplane.com> References: <Pine.BSF.4.21.0106191536440.14564-100000@besplex.bde.org>
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Ok, Bruce... the symlink patch has been sitting in my tree for a week
now. I am going to let you decide whether I should commit it or not.
If not, into the trash heap it goes. This is likely to be the only
way the problem will be solved since creating an empty symlink via
the 'ln -s' utility is perfect legal. So, in or out?
-Matt
Index: kern/vfs_lookup.c
===================================================================
RCS file: /home/ncvs/src/sys/kern/vfs_lookup.c,v
retrieving revision 1.38.2.2
diff -u -r1.38.2.2 vfs_lookup.c
--- kern/vfs_lookup.c 2001/05/20 12:11:57 1.38.2.2
+++ kern/vfs_lookup.c 2001/06/18 01:39:46
@@ -200,6 +200,12 @@
break;
}
linklen = MAXPATHLEN - auio.uio_resid;
+ if (linklen == 0) {
+ if (ndp->ni_pathlen > 1)
+ zfree(namei_zone, cp);
+ error = ENOENT;
+ break;
+ }
if (linklen + ndp->ni_pathlen >= MAXPATHLEN) {
if (ndp->ni_pathlen > 1)
zfree(namei_zone, cp);
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