From: Kinglong Mee <kinglongmee@gmail.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Linux NFS Mailing List <linux-nfs@vger.kernel.org>,
kinglongmee@gmail.com
Subject: [PATCH 3/4] NFSD: Fix bad using of return value from qword_get
Date: Wed, 25 Jun 2014 19:01:55 +0800 [thread overview]
Message-ID: <53AAAC23.90201@gmail.com> (raw)
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
---
fs/nfsd/nfs4idmap.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/nfsd/nfs4idmap.c b/fs/nfsd/nfs4idmap.c
index a0ab0a8..dc948f6 100644
--- a/fs/nfsd/nfs4idmap.c
+++ b/fs/nfsd/nfs4idmap.c
@@ -368,7 +368,7 @@ nametoid_parse(struct cache_detail *cd, char *buf, int buflen)
{
struct ent ent, *res;
char *buf1;
- int error = -EINVAL;
+ int len, error = -EINVAL;
if (buf[buflen - 1] != '\n')
return (-EINVAL);
@@ -392,8 +392,8 @@ nametoid_parse(struct cache_detail *cd, char *buf, int buflen)
IDMAP_TYPE_USER : IDMAP_TYPE_GROUP;
/* Name */
- error = qword_get(&buf, buf1, PAGE_SIZE);
- if (error <= 0 || error >= IDMAP_NAMESZ)
+ len = qword_get(&buf, buf1, PAGE_SIZE);
+ if (len <= 0 || len >= IDMAP_NAMESZ)
goto out;
memcpy(ent.name, buf1, sizeof(ent.name));
--
1.9.3
reply other threads:[~2014-06-25 11:02 UTC|newest]
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