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| author | Al Viro <viro@zeniv.linux.org.uk> | 2011-01-16 18:29:35 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2011-01-18 01:21:28 -0500 |
| commit | 5a37db302e698a83209eff22ca8f3fd05eb1d84b (patch) | |
| tree | 0ffef4412676c8b1814a2965b150168fcb9cfb03 /fs/autofs4 | |
| parent | 726a5e0688fd344110d8f2979d87f243a4ba1a48 (diff) | |
| download | kernel-common-5a37db302e698a83209eff22ca8f3fd05eb1d84b.tar.gz kernel-common-5a37db302e698a83209eff22ca8f3fd05eb1d84b.tar.bz2 kernel-common-5a37db302e698a83209eff22ca8f3fd05eb1d84b.zip | |
autofs4: mkdir and symlink always get a dentry that had passed lookup
... so ->d_fsdata will have been set up before we get there
Acked-by: Ian Kent <raven@themaw.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/autofs4')
| -rw-r--r-- | fs/autofs4/root.c | 28 |
1 files changed, 10 insertions, 18 deletions
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index 83e5379c5ade..a5b93e8f49b5 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -539,18 +539,15 @@ static int autofs4_dir_symlink(struct inode *dir, if (!autofs4_oz_mode(sbi)) return -EACCES; - ino = autofs4_init_ino(ino, sbi); - if (!ino) - return -ENOMEM; + BUG_ON(!ino); + + autofs4_init_ino(ino, sbi); autofs4_del_active(dentry); cp = kmalloc(size + 1, GFP_KERNEL); - if (!cp) { - if (!dentry->d_fsdata) - kfree(ino); + if (!cp) return -ENOMEM; - } strcpy(cp, symname); @@ -565,8 +562,7 @@ static int autofs4_dir_symlink(struct inode *dir, inode->i_size = size; d_add(dentry, inode); - dentry->d_fsdata = ino; - ino->dentry = dget(dentry); + dget(dentry); atomic_inc(&ino->count); p_ino = autofs4_dentry_ino(dentry->d_parent); if (p_ino && dentry->d_parent != dentry) @@ -734,25 +730,21 @@ static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, int mode) DPRINTK("dentry %p, creating %.*s", dentry, dentry->d_name.len, dentry->d_name.name); - ino = autofs4_init_ino(ino, sbi); - if (!ino) - return -ENOMEM; + BUG_ON(!ino); + + autofs4_init_ino(ino, sbi); autofs4_del_active(dentry); inode = autofs4_get_inode(dir->i_sb, S_IFDIR | 0555); - if (!inode) { - if (!dentry->d_fsdata) - kfree(ino); + if (!inode) return -ENOMEM; - } d_add(dentry, inode); if (sbi->version < 5) autofs_set_leaf_automount_flags(dentry); - dentry->d_fsdata = ino; - ino->dentry = dget(dentry); + dget(dentry); atomic_inc(&ino->count); p_ino = autofs4_dentry_ino(dentry->d_parent); if (p_ino && dentry->d_parent != dentry) |