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NFSD: Fix bad using of return value from qword_get 

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Kinglong Mee 2014-09-02 22:13:32 +08:00 committed by J. Bruce Fields
parent 15d176c195
commit 48c348b09c
1 changed files with 3 additions and 3 deletions
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6
fs/nfsd/nfs4idmap.c
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@ -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));