Commit d4395e03 authored Oct 26, 2007 by J. Bruce Fields

knfsd: fix broken length check in nfs4idmap.c

Obviously at some point we thought "error" represented the length when
positive.  This appears to be a long-standing typo.

Thanks to Prasad Potluri <pvp@us.ibm.com> for finding the problem and
proposing an earlier version of this patch.

Cc: Steve French <smfltc@us.ibm.com>
Cc: Prasad V Potluri <pvp@us.ibm.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

parent aefa89d1

fs/nfsd/nfs4idmap.c

+3 −6

Original line number	Diff line number	Diff line
		@@ -255,13 +255,10 @@ idtoname_parse(struct cache_detail cd, char buf, int buflen)
		goto out;
		if (len == 0)
		set_bit(CACHE_NEGATIVE, &ent.h.flags);
		else {
		if (error >= IDMAP_NAMESZ) {
		error = -EINVAL;
		else if (len >= IDMAP_NAMESZ)
		goto out;
		}
		else
		memcpy(ent.name, buf1, sizeof(ent.name));
		}
		error = -ENOMEM;
		res = idtoname_update(&ent, res);
		if (res == NULL)