Merge tag 'microblaze-3.15-rc1' of git://git.monstr.eu/linux-2.6-microblaze

[deliverable/linux.git] / crypto / blkcipher.c

diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 46fdab5e9cc7a0a249ae1613c87ae4c05e4d5dc2..0122bec38564d6c5de533d0e80b03d23e95f673b 100644 (file)
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -357,6 +357,20 @@ int blkcipher_walk_virt_block(struct blkcipher_desc *desc,
 }
 EXPORT_SYMBOL_GPL(blkcipher_walk_virt_block);
 
+int blkcipher_aead_walk_virt_block(struct blkcipher_desc *desc,
+                                  struct blkcipher_walk *walk,
+                                  struct crypto_aead *tfm,
+                                  unsigned int blocksize)
+{
+       walk->flags &= ~BLKCIPHER_WALK_PHYS;
+       walk->walk_blocksize = blocksize;
+       walk->cipher_blocksize = crypto_aead_blocksize(tfm);
+       walk->ivsize = crypto_aead_ivsize(tfm);
+       walk->alignmask = crypto_aead_alignmask(tfm);
+       return blkcipher_walk_first(desc, walk);
+}
+EXPORT_SYMBOL_GPL(blkcipher_aead_walk_virt_block);
+
 static int setkey_unaligned(struct crypto_tfm *tfm, const u8 *key,
                            unsigned int keylen)
 {