f2fs: report error for f2fs_parent_dir

If there is no dentry, we can report its error correctly.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 78efe00..618829e 100644 (file)
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -662,10 +662,11 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry,
                goto out;
 
        if (S_ISDIR(old_inode->i_mode)) {
-               err = -EIO;
                old_dir_entry = f2fs_parent_dir(old_inode, &old_dir_page);
-               if (!old_dir_entry)
+               if (!old_dir_entry) {
+                       err = PTR_ERR(old_dir_page);
                        goto out_old;
+               }
        }
 
        if (flags & RENAME_WHITEOUT) {
@@ -838,19 +839,21 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry,
        /* prepare for updating ".." directory entry info later */
        if (old_dir != new_dir) {
                if (S_ISDIR(old_inode->i_mode)) {
-                       err = -EIO;
                        old_dir_entry = f2fs_parent_dir(old_inode,
                                                        &old_dir_page);
-                       if (!old_dir_entry)
+                       if (!old_dir_entry) {
+                               err = PTR_ERR(old_dir_page);
                                goto out_new;
+                       }
                }
 
                if (S_ISDIR(new_inode->i_mode)) {
-                       err = -EIO;
                        new_dir_entry = f2fs_parent_dir(new_inode,
                                                        &new_dir_page);
-                       if (!new_dir_entry)
+                       if (!new_dir_entry) {
+                               err = PTR_ERR(new_dir_page);
                                goto out_old_dir;
+                       }
                }
        }