[Crypto] twofish-flag.patch

[Thomas DuBuisson]

Unless there is a good reason for the flag handling to be different in 
twofish than in AES or Serpent I think this needs applied.  It just sets 
the proper flag if someone tries to run twofish_setkey with an improper 
key size.

Thomas DuBuisson--- linux-2.6.7/crypto/twofish.c.orig	2004-06-15 22:20:26.000000000 -0700
+++ linux-2.6.7/crypto/twofish.c	2004-07-08 11:03:02.000000000 -0700
@@ -663,7 +663,10 @@ static int twofish_setkey(void *cx, cons
 
 	/* Check key length. */
 	if (key_len != 16 && key_len != 24 && key_len != 32)
+	{
+		*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
 		return -EINVAL; /* unsupported key length */
+	}
 
 	/* Compute the first two words of the S vector.  The magic numbers are
 	 * the entries of the RS matrix, preprocessed through poly_to_exp. The