From c9b6cbe56d3ac471e6cd72a59ec9e324b3417016 Mon Sep 17 00:00:00 2001 From: "J. Bruce Fields" Date: Fri, 27 Jul 2007 16:36:45 -0400 Subject: [PATCH] knfsd: nfs4 name->id mapping not correctly parsing negative downcall Note that qword_get() returns length or -1, not an -ERROR. Signed-off-by: "J. Bruce Fields" Acked-by: Neil Brown --- fs/nfsd/nfs4idmap.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c index 2ccffde81b..4c0c683ce0 100644 --- a/fs/nfsd/nfs4idmap.c +++ b/fs/nfsd/nfs4idmap.c @@ -207,6 +207,7 @@ idtoname_parse(struct cache_detail *cd, char *buf, int buflen) { struct ent ent, *res; char *buf1, *bp; + int len; int error = -EINVAL; if (buf[buflen - 1] != '\n') @@ -248,10 +249,11 @@ idtoname_parse(struct cache_detail *cd, char *buf, int buflen) goto out; /* Name */ - error = qword_get(&buf, buf1, PAGE_SIZE); - if (error == -EINVAL) + error = -EINVAL; + len = qword_get(&buf, buf1, PAGE_SIZE); + if (len < 0) goto out; - if (error == -ENOENT) + if (len == 0) set_bit(CACHE_NEGATIVE, &ent.h.flags); else { if (error >= IDMAP_NAMESZ) { -- 2.39.5