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| author | Al Viro <viro@zeniv.linux.org.uk> | 2011-07-21 15:57:47 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-07-22 19:42:11 -0400 |
| commit | 22ba747f660c0acd14761628c24aa972d18058a0 (patch) | |
| tree | 8a96b344623ba66c3138bd4d6cc916f5ad3d3053 | |
| parent | 841590ce16c19a3ce38028adfc8b1955482ee00c (diff) | |
| download | linux-22ba747f660c0acd14761628c24aa972d18058a0.tar.bz2 | |
jffs2: fix IN_DELETE_SELF on overwriting rename() killing a directory
We don't generate IN_DELETE_SELF on victim of overwriting rename() if
it happens to be a directory. Trivially fixed by doing to ->i_nlink
what we do ->pino_nlink a couple of lines later in jffs2_rename().
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/jffs2/dir.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index 8f40ce4f1777..5f243cd63afc 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -820,7 +820,10 @@ static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry, if (victim_f) { /* There was a victim. Kill it off nicely */ - drop_nlink(new_dentry->d_inode); + if (S_ISDIR(new_dentry->d_inode->i_mode)) + clear_nlink(new_dentry->d_inode); + else + drop_nlink(new_dentry->d_inode); /* Don't oops if the victim was a dirent pointing to an inode which didn't exist. */ if (victim_f->inocache) { |