Am Mittwoch, 14. März 2018, 14:17:30 CET schrieb Salvatore Mesoraca:

Hi Salvatore,

 	if (walk.nbytes) {
-		crypto_ctr_crypt_final(&walk, child);
-		err = blkcipher_walk_done(desc, &walk, 0);
+		err = crypto_ctr_crypt_final(&walk, child);
+		err = blkcipher_walk_done(desc, &walk, err);

I guess you either want to handle the error from crypto_ctr_crypt_final or do 
an err |= blkcipher_walk_done.

 	}

 	return err;

Ciao
Stephan