crypto: talitos - fix size calculation in talitos_edesc_alloc()

The + operation has higher precedence than ?: so we need parentheses
here.  Otherwise we may end up allocating a max of only one "cryptlen"
instead of two.

Fixes: 6f65f6a ('crypto: talitos - implement scatter/gather copy for SEC1')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

drivers/crypto/talitos.c

@@ -1335,8 +1335,8 @@ static struct talitos_edesc *talitos_edesc_alloc(struct device *dev,
 	alloc_len = sizeof(struct talitos_edesc);
 	if (assoc_nents || src_nents || dst_nents) {
 		if (is_sec1)
-			dma_len = src_nents ? cryptlen : 0 +
-				  dst_nents ? cryptlen : 0;
+			dma_len = (src_nents ? cryptlen : 0) +
+				  (dst_nents ? cryptlen : 0);
 		else
 			dma_len = (src_nents + dst_nents + 2 + assoc_nents) *
 				  sizeof(struct talitos_ptr) + authsize;