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authorJ. Bruce Fields <bfields@citi.umich.edu>2007-07-27 16:36:45 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2007-10-09 18:31:56 -0400
commitc9b6cbe56d3ac471e6cd72a59ec9e324b3417016 (patch)
tree15d77bd55682cb34678eb6f33053efaab1f81cc5 /fs/nfsd
parent2fdada03b3876ab9f84ede160f187e888cafefb4 (diff)
downloadop-kernel-dev-c9b6cbe56d3ac471e6cd72a59ec9e324b3417016.zip
op-kernel-dev-c9b6cbe56d3ac471e6cd72a59ec9e324b3417016.tar.gz
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" <bfields@citi.umich.edu> Acked-by: Neil Brown <neilb@suse.de>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfs4idmap.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index 2ccffde..4c0c683 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) {
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