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LLVMLinux patches for v3.18

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Merge tag 'llvmlinux-for-v3.18' of git://git.linuxfoundation.org/llvmlinux/kernel

Pull LLVM updates from Behan Webster:
 "These patches remove the use of VLAIS using a new SHASH_DESC_ON_STACK
  macro.

  Some of the previously accepted VLAIS removal patches haven't used
  this macro.  I will push new patches to consistently use this macro in
  all those older cases for 3.19"

[ More LLVM patches coming in through subsystem trees, and LLVM itself
  needs some fixes that are already in many distributions but not in
  released versions of LLVM.  Some day this will all "just work"  - Linus ]

* tag 'llvmlinux-for-v3.18' of git://git.linuxfoundation.org/llvmlinux/kernel:
  crypto: LLVMLinux: Remove VLAIS usage from crypto/testmgr.c
  security, crypto: LLVMLinux: Remove VLAIS from ima_crypto.c
  crypto: LLVMLinux: Remove VLAIS usage from libcrc32c.c
  crypto: LLVMLinux: Remove VLAIS usage from crypto/hmac.c
  crypto, dm: LLVMLinux: Remove VLAIS usage from dm-crypt
  crypto: LLVMLinux: Remove VLAIS from crypto/.../qat_algs.c
  crypto: LLVMLinux: Remove VLAIS from crypto/omap_sham.c
  crypto: LLVMLinux: Remove VLAIS from crypto/n2_core.c
  crypto: LLVMLinux: Remove VLAIS from crypto/mv_cesa.c
  crypto: LLVMLinux: Remove VLAIS from crypto/ccp/ccp-crypto-sha.c
  btrfs: LLVMLinux: Remove VLAIS
  crypto: LLVMLinux: Add macro to remove use of VLAIS in crypto code
This commit is contained in:
Linus Torvalds 2014-10-15 07:30:52 +02:00
commit 6929c35897
12 changed files with 122 additions and 159 deletions
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16
fs/btrfs/hash.c
View file

@ -31,18 +31,16 @@ void btrfs_hash_exit(void)
u32 btrfs_crc32c(u32 crc, const void *address, unsigned int length)
{
struct {
struct shash_desc shash;
char ctx[crypto_shash_descsize(tfm)];
} desc;
SHASH_DESC_ON_STACK(shash, tfm);
u32 *ctx = (u32 *)shash_desc_ctx(shash);
int err;
desc.shash.tfm = tfm;
desc.shash.flags = 0;
*(u32 *)desc.ctx = crc;
shash->tfm = tfm;
shash->flags = 0;
*ctx = crc;
err = crypto_shash_update(&desc.shash, address, length);
err = crypto_shash_update(shash, address, length);
BUG_ON(err);
return *(u32 *)desc.ctx;
return *ctx;
}