crypto: skcipher - remove redundant check for SKCIPHER_WALK_SLOW

In skcipher_walk_done(), remove the check for SKCIPHER_WALK_SLOW because
it is always true.  All other flags (and lack thereof) were checked
earlier in the function, leaving SKCIPHER_WALK_SLOW as the only
remaining possibility.

Signed-off-by: Eric Biggers <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>

Author: ebiggers

crypto/skcipher.c

@@ -120,7 +120,7 @@ int skcipher_walk_done(struct skcipher_walk *walk, int res)
 		skcipher_map_dst(walk);
 		memcpy(walk->dst.virt.addr, walk->page, n);
 		skcipher_unmap_dst(walk);
-	} else if (unlikely(walk->flags & SKCIPHER_WALK_SLOW)) {
+	} else { /* SKCIPHER_WALK_SLOW */
 		if (res > 0) {
 			/*
 			 * Didn't process all bytes.  Either the algorithm is