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| author | Mark Brown <broonie@kernel.org> | 2014-11-26 20:39:02 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2014-11-26 20:39:02 +0000 |
| commit | 75ff9420448e7bb30ab8265463595e794ce0c3aa (patch) | |
| tree | ea00f0cff2f6a272d60a518eb6dde6e14263b5b7 /fs/ecryptfs/main.c | |
| parent | 4524df83c7fc4f44702099a2db7b3cc938eb111f (diff) | |
| parent | 206c5f60a3d902bc4b56dab2de3e88de5eb06108 (diff) | |
Merge tag 'v3.18-rc4' into regulator-max77686
Linux 3.18-rc4
Diffstat (limited to 'fs/ecryptfs/main.c')
| -rw-r--r-- | fs/ecryptfs/main.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index 1b119d3bf924..c4cd1fd86cc2 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -566,6 +566,13 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags s->s_maxbytes = path.dentry->d_sb->s_maxbytes; s->s_blocksize = path.dentry->d_sb->s_blocksize; s->s_magic = ECRYPTFS_SUPER_MAGIC; + s->s_stack_depth = path.dentry->d_sb->s_stack_depth + 1; + + rc = -EINVAL; + if (s->s_stack_depth > FILESYSTEM_MAX_STACK_DEPTH) { + pr_err("eCryptfs: maximum fs stacking depth exceeded\n"); + goto out_free; + } inode = ecryptfs_get_inode(path.dentry->d_inode, s); rc = PTR_ERR(inode); |