[PATCH 12/22] ext4_add_entry(): ->d_name.len is never 0

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That bogosity goes back to the initial merge of ext3.  Once upon a time
ext2 used to have a similar check; that got taken out during the switch
to page cache (June 2001).  ext3 got merged into mainline 5 months later,
still using buffer cache for directories; removal of the pointless check
in ext2 should've been done as a separate patch, but it hadn't been,
so that thing got missed...

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
 fs/ext4/namei.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index d252935f9c8a..fa8b8dd841b5 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -2388,8 +2388,6 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
 
 	sb = dir->i_sb;
 	blocksize = sb->s_blocksize;
-	if (!dentry->d_name.len)
-		return -EINVAL;
 
 	if (fscrypt_is_nokey_name(dentry))
 		return -ENOKEY;
-- 
2.39.2





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