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Merge branch 'for-4.3/sg' of git://git.kernel.dk/linux-block

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Pull SG updates from Jens Axboe:
 "This contains a set of scatter-gather related changes/fixes for 4.3:

   - Add support for limited chaining of sg tables even for
     architectures that do not set ARCH_HAS_SG_CHAIN.  From Christoph.

   - Add sg chain support to target_rd.  From Christoph.

   - Fixup open coded sg->page_link in crypto/omap-sham.  From
     Christoph.

   - Fixup open coded crypto ->page_link manipulation.  From Dan.

   - Also from Dan, automated fixup of manual sg_unmark_end()
     manipulations.

   - Also from Dan, automated fixup of open coded sg_phys()
     implementations.

   - From Robert Jarzmik, addition of an sg table splitting helper that
     drivers can use"

* 'for-4.3/sg' of git://git.kernel.dk/linux-block:
  lib: scatterlist: add sg splitting function
  scatterlist: use sg_phys()
  crypto/omap-sham: remove an open coded access to ->page_link
  scatterlist: remove open coded sg_unmark_end instances
  crypto: replace scatterwalk_sg_chain with sg_chain
  target/rd: always chain S/G list
  scatterlist: allow limited chaining without ARCH_HAS_SG_CHAIN
This commit is contained in:
Linus Torvalds 2015-09-02 13:22:38 -07:00
commit d975f309a8
21 changed files with 234 additions and 81 deletions
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4
crypto/gcm.c
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@ -206,14 +206,14 @@ static void crypto_gcm_init_common(struct aead_request *req)
sg_set_buf(pctx->src, pctx->auth_tag, sizeof(pctx->auth_tag));
sg = scatterwalk_ffwd(pctx->src + 1, req->src, req->assoclen);
if (sg != pctx->src + 1)
scatterwalk_sg_chain(pctx->src, 2, sg);
sg_chain(pctx->src, 2, sg);
if (req->src != req->dst) {
sg_init_table(pctx->dst, 3);
sg_set_buf(pctx->dst, pctx->auth_tag, sizeof(pctx->auth_tag));
sg = scatterwalk_ffwd(pctx->dst + 1, req->dst, req->assoclen);
if (sg != pctx->dst + 1)
scatterwalk_sg_chain(pctx->dst, 2, sg);
sg_chain(pctx->dst, 2, sg);
}
}