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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@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2023-11-12 16:25:46 -05:00
parent f6c8bfcf95
commit 556f38bf45
1 changed files with 0 additions and 2 deletions
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2
fs/ext4/namei.c
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@ -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;