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Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c41
1 files changed, 15 insertions, 26 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 9595b4a55c39..f6f3ef47bc74 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1759,28 +1759,6 @@ static struct dentry *lookup_hash(struct nameidata *nd)
return __lookup_hash(&nd->last, nd->path.dentry, nd);
}
-static int __lookup_one_len(const char *name, struct qstr *this,
- struct dentry *base, int len)
-{
- unsigned long hash;
- unsigned int c;
-
- this->name = name;
- this->len = len;
- if (!len)
- return -EACCES;
-
- hash = init_name_hash();
- while (len--) {
- c = *(const unsigned char *)name++;
- if (c == '/' || c == '\0')
- return -EACCES;
- hash = partial_name_hash(c, hash);
- }
- this->hash = end_name_hash(hash);
- return 0;
-}
-
/**
* lookup_one_len - filesystem helper to lookup single pathname component
* @name: pathname component to lookup
@@ -1794,14 +1772,25 @@ static int __lookup_one_len(const char *name, struct qstr *this,
*/
struct dentry *lookup_one_len(const char *name, struct dentry *base, int len)
{
- int err;
struct qstr this;
+ unsigned long hash;
+ unsigned int c;
WARN_ON_ONCE(!mutex_is_locked(&base->d_inode->i_mutex));
- err = __lookup_one_len(name, &this, base, len);
- if (err)
- return ERR_PTR(err);
+ this.name = name;
+ this.len = len;
+ if (!len)
+ return ERR_PTR(-EACCES);
+
+ hash = init_name_hash();
+ while (len--) {
+ c = *(const unsigned char *)name++;
+ if (c == '/' || c == '\0')
+ return ERR_PTR(-EACCES);
+ hash = partial_name_hash(c, hash);
+ }
+ this.hash = end_name_hash(hash);
return __lookup_hash(&this, base, NULL);
}