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ext4: fix typo which broke '..' detection in ext4_find_entry()

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There should be a check for the NUL character instead of '0'.

Fortunately the only thing that cares about this is NFS serving, which
is why we didn't notice this in the merge window testing.

Reported-by: Phil Carmody <ext-phil.2.carmody@nokia.com>
Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Aaro Koskinen 2010-12-14 21:45:31 -05:00 committed by Theodore Ts'o
parent 1449032be1
commit 6d5c3aa84b
1 changed files with 1 additions and 1 deletions
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2
fs/ext4/namei.c
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@ -872,7 +872,7 @@ static struct buffer_head * ext4_find_entry (struct inode *dir,
if (namelen > EXT4_NAME_LEN)
return NULL;
if ((namelen <= 2) && (name[0] == '.') &&
(name[1] == '.' || name[1] == '0')) {
(name[1] == '.' || name[1] == '\0')) {
/*
* "." or ".." will only be in the first block
* NFS may look up ".."; "." should be handled by the VFS