diff options
Diffstat (limited to 'crypto/skcipher.c')
| -rw-r--r-- | crypto/skcipher.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/crypto/skcipher.c b/crypto/skcipher.c index ab5d852febcd..132075a905d9 100644 --- a/crypto/skcipher.c +++ b/crypto/skcipher.c @@ -39,18 +39,6 @@ static const struct crypto_type crypto_skcipher_type; static int skcipher_walk_next(struct skcipher_walk *walk); -static inline void skcipher_map_src(struct skcipher_walk *walk) -{ - /* XXX */ - walk->in.__addr = scatterwalk_map(&walk->in); -} - -static inline void skcipher_map_dst(struct skcipher_walk *walk) -{ - /* XXX */ - walk->out.__addr = scatterwalk_map(&walk->out); -} - static inline gfp_t skcipher_walk_gfp(struct skcipher_walk *walk) { return walk->flags & SKCIPHER_WALK_SLEEP ? GFP_KERNEL : GFP_ATOMIC; @@ -101,8 +89,8 @@ int skcipher_walk_done(struct skcipher_walk *walk, int res) scatterwalk_done_src(&walk->in, n); } else if (walk->flags & SKCIPHER_WALK_COPY) { scatterwalk_advance(&walk->in, n); - skcipher_map_dst(walk); - memcpy(walk->dst.virt.addr, walk->page, n); + scatterwalk_map(&walk->out); + memcpy(walk->out.addr, walk->page, n); } else { /* SKCIPHER_WALK_SLOW */ if (res > 0) { /* @@ -186,9 +174,9 @@ static int skcipher_next_copy(struct skcipher_walk *walk) { void *tmp = walk->page; - skcipher_map_src(walk); - memcpy(tmp, walk->src.virt.addr, walk->nbytes); - scatterwalk_unmap(walk->src.virt.addr); + scatterwalk_map(&walk->in); + memcpy(tmp, walk->in.addr, walk->nbytes); + scatterwalk_unmap(&walk->in); /* * walk->in is advanced later when the number of bytes actually * processed (which might be less than walk->nbytes) is known. @@ -208,12 +196,12 @@ static int skcipher_next_fast(struct skcipher_walk *walk) diff |= (u8 *)(sg_page(walk->in.sg) + (walk->in.offset >> PAGE_SHIFT)) - (u8 *)(sg_page(walk->out.sg) + (walk->out.offset >> PAGE_SHIFT)); - skcipher_map_dst(walk); - walk->in.__addr = walk->dst.virt.addr; + scatterwalk_map(&walk->out); + walk->in.__addr = walk->out.__addr; if (diff) { walk->flags |= SKCIPHER_WALK_DIFF; - skcipher_map_src(walk); + scatterwalk_map(&walk->in); } return 0; |