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ext4 crypto: policies may only be set on directories 

Thanks to Chao Yu <chao2.yu@samsung.com> for pointing out we were
missing this check.

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2015-05-31 13:35:14 -04:00
parent c2faccaff6
commit d87f6d78e9
1 changed files with 2 additions and 0 deletions
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2
fs/ext4/crypto_policy.c
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@ -93,6 +93,8 @@ int ext4_process_policy(const struct ext4_encryption_policy *policy,
return -EINVAL;
if (!ext4_inode_has_encryption_context(inode)) {
if (!S_ISDIR(inode->i_mode))
return -EINVAL;
if (!ext4_empty_dir(inode))
return -ENOTEMPTY;
return ext4_create_encryption_context_from_policy(inode,