1 files changed, 7 insertions, 0 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 7c4527e10ae4..8b4fe626919a 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3370,6 +3370,13 @@ static int __ext4_block_zero_page_range(handle_t *handle,
 		/* Uhhuh. Read error. Complain and punt. */
 		if (!buffer_uptodate(bh))
 			goto unlock;
+		if (S_ISREG(inode->i_mode) &&
+		    ext4_encrypted_inode(inode)) {
+			/* We expect the key to be set. */
+			BUG_ON(!ext4_has_encryption_key(inode));
+			BUG_ON(blocksize != PAGE_CACHE_SIZE);
+			WARN_ON_ONCE(ext4_decrypt_one(inode, page));
+		}
 	}
 	if (ext4_should_journal_data(inode)) {
 		BUFFER_TRACE(bh, "get write access");