ARM: OMAP3: Fix get_irqnr_and_base to clear spurious interrupt bits

[linux-2.6-omap-h63xx.git] / fs / configfs / symlink.c

diff --git a/fs/configfs/symlink.c b/fs/configfs/symlink.c
index 61a886dbd601da7de57b9e56cc58fce95453aeca..bf74973b0492372d65aafaeb0fa8af496979c54c 100644 (file)
--- a/fs/configfs/symlink.c
+++ b/fs/configfs/symlink.c
@@ -76,6 +76,9 @@ static int create_link(struct config_item *parent_item,
        struct configfs_symlink *sl;
        int ret;
 
+       ret = -ENOENT;
+       if (!configfs_dirent_is_ready(target_sd))
+               goto out;
        ret = -ENOMEM;
        sl = kmalloc(sizeof(struct configfs_symlink), GFP_KERNEL);
        if (sl) {
@@ -100,6 +103,7 @@ static int create_link(struct config_item *parent_item,
                }
        }
 
+out:
        return ret;
 }
 
@@ -129,6 +133,7 @@ int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symna
 {
        int ret;
        struct nameidata nd;
+       struct configfs_dirent *sd;
        struct config_item *parent_item;
        struct config_item *target_item;
        struct config_item_type *type;
@@ -137,9 +142,19 @@ int configfs_symlink(struct inode *dir, struct dentry *dentry, const char *symna
        if (dentry->d_parent == configfs_sb->s_root)
                goto out;
 
+       sd = dentry->d_parent->d_fsdata;
+       /*
+        * Fake invisibility if dir belongs to a group/default groups hierarchy
+        * being attached
+        */
+       ret = -ENOENT;
+       if (!configfs_dirent_is_ready(sd))
+               goto out;
+
        parent_item = configfs_get_config_item(dentry->d_parent);
        type = parent_item->ci_type;
 
+       ret = -EPERM;
        if (!type || !type->ct_item_ops ||
            !type->ct_item_ops->allow_link)
                goto out_put;