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crypto: picoxcell - fix boolean and / or confusion 

The AES engine only supports 128 and 256 bit keys so we should correctly
test for that.

Cc: Herbert Xu <herbert@gondor.apana.org.au>
Reported-by: Joe Perches <joe@perches.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jamie Iles 2011-12-13 09:54:06 +00:00 committed by Herbert Xu
parent a1a38c4c6a
commit a9c57a9c6a
1 changed files with 2 additions and 2 deletions
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4
drivers/crypto/picoxcell_crypto.c
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@ -873,7 +873,7 @@ static int spacc_aes_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
* request for any other size (192 bits) then we need to do a software * request for any other size (192 bits) then we need to do a software
* fallback. * fallback.
*/ */
if ((len != AES_KEYSIZE_128 || len != AES_KEYSIZE_256) && if (len != AES_KEYSIZE_128 && len != AES_KEYSIZE_256 &&
ctx->sw_cipher) { ctx->sw_cipher) {
/* /*
* Set the fallback transform to use the same request flags as * Set the fallback transform to use the same request flags as
@ -886,7 +886,7 @@ static int spacc_aes_setkey(struct crypto_ablkcipher *cipher, const u8 *key,
err = crypto_ablkcipher_setkey(ctx->sw_cipher, key, len); err = crypto_ablkcipher_setkey(ctx->sw_cipher, key, len);
if (err) if (err)
goto sw_setkey_failed; goto sw_setkey_failed;
} else if ((len != AES_KEYSIZE_128 || len != AES_KEYSIZE_256) && } else if (len != AES_KEYSIZE_128 && len != AES_KEYSIZE_256 &&
!ctx->sw_cipher) !ctx->sw_cipher)
err = -EINVAL; err = -EINVAL;