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>
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@ -93,6 +93,8 @@ int ext4_process_policy(const struct ext4_encryption_policy *policy,
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return -EINVAL;
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return -EINVAL;
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if (!ext4_inode_has_encryption_context(inode)) {
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if (!ext4_inode_has_encryption_context(inode)) {
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if (!S_ISDIR(inode->i_mode))
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return -EINVAL;
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if (!ext4_empty_dir(inode))
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if (!ext4_empty_dir(inode))
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return -ENOTEMPTY;
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return -ENOTEMPTY;
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return ext4_create_encryption_context_from_policy(inode,
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return ext4_create_encryption_context_from_policy(inode,
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