Merge tag 'v6.14-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

Pull crypto updates from Herbert Xu:
 "API:
   - Remove physical address skcipher walking
   - Fix boot-up self-test race

  Algorithms:
   - Optimisations for x86/aes-gcm
   - Optimisations for x86/aes-xts
   - Remove VMAC
   - Remove keywrap

  Drivers:
   - Remove n2

  Others:
   - Fixes for padata UAF
   - Fix potential rhashtable deadlock by moving schedule_work outside
     lock"

* tag 'v6.14-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (75 commits)
  rhashtable: Fix rhashtable_try_insert test
  dt-bindings: crypto: qcom,inline-crypto-engine: Document the SM8750 ICE
  dt-bindings: crypto: qcom,prng: Document SM8750 RNG
  dt-bindings: crypto: qcom-qce: Document the SM8750 crypto engine
  crypto: asymmetric_keys - Remove unused key_being_used_for[]
  padata: avoid UAF for reorder_work
  padata: fix UAF in padata_reorder
  padata: add pd get/put refcnt helper
  crypto: skcipher - call cond_resched() directly
  crypto: skcipher - optimize initializing skcipher_walk fields
  crypto: skcipher - clean up initialization of skcipher_walk::flags
  crypto: skcipher - fold skcipher_walk_skcipher() into skcipher_walk_virt()
  crypto: skcipher - remove redundant check for SKCIPHER_WALK_SLOW
  crypto: skcipher - remove redundant clamping to page size
  crypto: skcipher - remove unnecessary page alignment of bounce buffer
  crypto: skcipher - document skcipher_walk_done() and rename some vars
  crypto: omap - switch from scatter_walk to plain offset
  crypto: powerpc/p10-aes-gcm - simplify handling of linear associated data
  crypto: bcm - Drop unused setting of local 'ptr' variable
  crypto: hisilicon/qm - support new function communication
  ...

1 files changed, 2 insertions, 7 deletions

diff --git a/arch/powerpc/crypto/aes-gcm-p10-glue.c b/arch/powerpc/crypto/aes-gcm-p10-glue.c
index f37b3d13fc53..679f52794baf 100644
--- a/arch/powerpc/crypto/aes-gcm-p10-glue.c
+++ b/arch/powerpc/crypto/aes-gcm-p10-glue.c
@@ -214,7 +214,6 @@ static int p10_aes_gcm_crypt(struct aead_request *req, u8 *riv,
 	struct gcm_ctx *gctx = PTR_ALIGN((void *)databuf, PPC_ALIGN);
 	u8 hashbuf[sizeof(struct Hash_ctx) + PPC_ALIGN];
 	struct Hash_ctx *hash = PTR_ALIGN((void *)hashbuf, PPC_ALIGN);
-	struct scatter_walk assoc_sg_walk;
 	struct skcipher_walk walk;
 	u8 *assocmem = NULL;
 	u8 *assoc;
@@ -234,8 +233,7 @@ static int p10_aes_gcm_crypt(struct aead_request *req, u8 *riv,
 
 	/* Linearize assoc, if not already linear */
 	if (req->src->length >= assoclen && req->src->length) {
-		scatterwalk_start(&assoc_sg_walk, req->src);
-		assoc = scatterwalk_map(&assoc_sg_walk);
+		assoc = sg_virt(req->src); /* ppc64 is !HIGHMEM */
 	} else {
 		gfp_t flags = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) ?
 			      GFP_KERNEL : GFP_ATOMIC;
@@ -253,10 +251,7 @@ static int p10_aes_gcm_crypt(struct aead_request *req, u8 *riv,
 	gcmp10_init(gctx, iv, (unsigned char *) &ctx->enc_key, hash, assoc, assoclen);
 	vsx_end();
 
-	if (!assocmem)
-		scatterwalk_unmap(assoc);
-	else
-		kfree(assocmem);
+	kfree(assocmem);
 
 	if (enc)
 		ret = skcipher_walk_aead_encrypt(&walk, req, false);