Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
crypto: skcipher - use scatterwalk_start_at_pos()
In skcipher_walk_aead_common(), use scatterwalk_start_at_pos() instead
of a sequence of scatterwalk_start(), scatterwalk_copychunks(..., 2),
and scatterwalk_done(). This is simpler and faster.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
authored by
Eric Biggers
and committed by
Herbert Xu
cb25dbb6
84b15763
+2
-8
+2
-8
crypto/skcipher.c
+2
-8
crypto/skcipher.c
···
363
363
if (unlikely(!walk->total))
364
364
return 0;
365
365
366
-
scatterwalk_start(&walk->in, req->src);
367
-
scatterwalk_start(&walk->out, req->dst);
368
-
369
-
scatterwalk_copychunks(NULL, &walk->in, req->assoclen, 2);
370
-
scatterwalk_copychunks(NULL, &walk->out, req->assoclen, 2);
371
-
372
-
scatterwalk_done(&walk->in, 0, walk->total);
373
-
scatterwalk_done(&walk->out, 0, walk->total);
366
+
scatterwalk_start_at_pos(&walk->in, req->src, req->assoclen);
367
+
scatterwalk_start_at_pos(&walk->out, req->dst, req->assoclen);
374
368
375
369
/*
376
370
* Accessing 'alg' directly generates better code than using the