|
@@ -1124,36 +1124,6 @@ int vfs_path_lookup(struct dentry *dentry, struct vfsmount *mnt,
|
|
|
return retval;
|
|
|
}
|
|
|
|
|
|
-/**
|
|
|
- * path_lookup_open - lookup a file path with open intent
|
|
|
- * @dfd: the directory to use as base, or AT_FDCWD
|
|
|
- * @name: pointer to file name
|
|
|
- * @lookup_flags: lookup intent flags
|
|
|
- * @nd: pointer to nameidata
|
|
|
- * @open_flags: open intent flags
|
|
|
- */
|
|
|
-static int path_lookup_open(int dfd, const char *name,
|
|
|
- unsigned int lookup_flags, struct nameidata *nd, int open_flags)
|
|
|
-{
|
|
|
- struct file *filp = get_empty_filp();
|
|
|
- int err;
|
|
|
-
|
|
|
- if (filp == NULL)
|
|
|
- return -ENFILE;
|
|
|
- nd->intent.open.file = filp;
|
|
|
- nd->intent.open.flags = open_flags;
|
|
|
- nd->intent.open.create_mode = 0;
|
|
|
- err = do_path_lookup(dfd, name, lookup_flags|LOOKUP_OPEN, nd);
|
|
|
- if (IS_ERR(nd->intent.open.file)) {
|
|
|
- if (err == 0) {
|
|
|
- err = PTR_ERR(nd->intent.open.file);
|
|
|
- path_put(&nd->path);
|
|
|
- }
|
|
|
- } else if (err != 0)
|
|
|
- release_open_intent(nd);
|
|
|
- return err;
|
|
|
-}
|
|
|
-
|
|
|
static struct dentry *__lookup_hash(struct qstr *name,
|
|
|
struct dentry *base, struct nameidata *nd)
|
|
|
{
|
|
@@ -1664,8 +1634,22 @@ struct file *do_filp_open(int dfd, const char *pathname,
|
|
|
* The simplest case - just a plain lookup.
|
|
|
*/
|
|
|
if (!(flag & O_CREAT)) {
|
|
|
- error = path_lookup_open(dfd, pathname, lookup_flags(flag),
|
|
|
- &nd, flag);
|
|
|
+ filp = get_empty_filp();
|
|
|
+
|
|
|
+ if (filp == NULL)
|
|
|
+ return ERR_PTR(-ENFILE);
|
|
|
+ nd.intent.open.file = filp;
|
|
|
+ nd.intent.open.flags = flag;
|
|
|
+ nd.intent.open.create_mode = 0;
|
|
|
+ error = do_path_lookup(dfd, pathname,
|
|
|
+ lookup_flags(flag)|LOOKUP_OPEN, &nd);
|
|
|
+ if (IS_ERR(nd.intent.open.file)) {
|
|
|
+ if (error == 0) {
|
|
|
+ error = PTR_ERR(nd.intent.open.file);
|
|
|
+ path_put(&nd.path);
|
|
|
+ }
|
|
|
+ } else if (error)
|
|
|
+ release_open_intent(&nd);
|
|
|
if (error)
|
|
|
return ERR_PTR(error);
|
|
|
goto ok;
|