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Diffstat (limited to 'arch/arm/crypto/aes-neonbs-glue.c')
-rw-r--r--arch/arm/crypto/aes-neonbs-glue.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/arm/crypto/aes-neonbs-glue.c b/arch/arm/crypto/aes-neonbs-glue.c
index 45cd9818791e..9000d0796d5e 100644
--- a/arch/arm/crypto/aes-neonbs-glue.c
+++ b/arch/arm/crypto/aes-neonbs-glue.c
@@ -90,9 +90,8 @@ static int __ecb_crypt(struct skcipher_request *req,
struct skcipher_walk walk;
int err;
- err = skcipher_walk_virt(&walk, req, true);
+ err = skcipher_walk_virt(&walk, req, false);
- kernel_neon_begin();
while (walk.nbytes >= AES_BLOCK_SIZE) {
unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE;
@@ -100,12 +99,13 @@ static int __ecb_crypt(struct skcipher_request *req,
blocks = round_down(blocks,
walk.stride / AES_BLOCK_SIZE);
+ kernel_neon_begin();
fn(walk.dst.virt.addr, walk.src.virt.addr, ctx->rk,
ctx->rounds, blocks);
+ kernel_neon_end();
err = skcipher_walk_done(&walk,
walk.nbytes - blocks * AES_BLOCK_SIZE);
}
- kernel_neon_end();
return err;
}
@@ -159,9 +159,8 @@ static int cbc_decrypt(struct skcipher_request *req)
struct skcipher_walk walk;
int err;
- err = skcipher_walk_virt(&walk, req, true);
+ err = skcipher_walk_virt(&walk, req, false);
- kernel_neon_begin();
while (walk.nbytes >= AES_BLOCK_SIZE) {
unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE;
@@ -169,13 +168,14 @@ static int cbc_decrypt(struct skcipher_request *req)
blocks = round_down(blocks,
walk.stride / AES_BLOCK_SIZE);
+ kernel_neon_begin();
aesbs_cbc_decrypt(walk.dst.virt.addr, walk.src.virt.addr,
ctx->key.rk, ctx->key.rounds, blocks,
walk.iv);
+ kernel_neon_end();
err = skcipher_walk_done(&walk,
walk.nbytes - blocks * AES_BLOCK_SIZE);
}
- kernel_neon_end();
return err;
}
@@ -223,9 +223,8 @@ static int ctr_encrypt(struct skcipher_request *req)
u8 buf[AES_BLOCK_SIZE];
int err;
- err = skcipher_walk_virt(&walk, req, true);
+ err = skcipher_walk_virt(&walk, req, false);
- kernel_neon_begin();
while (walk.nbytes > 0) {
unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE;
u8 *final = (walk.total % AES_BLOCK_SIZE) ? buf : NULL;
@@ -236,8 +235,10 @@ static int ctr_encrypt(struct skcipher_request *req)
final = NULL;
}
+ kernel_neon_begin();
aesbs_ctr_encrypt(walk.dst.virt.addr, walk.src.virt.addr,
ctx->rk, ctx->rounds, blocks, walk.iv, final);
+ kernel_neon_end();
if (final) {
u8 *dst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE;
@@ -252,7 +253,6 @@ static int ctr_encrypt(struct skcipher_request *req)
err = skcipher_walk_done(&walk,
walk.nbytes - blocks * AES_BLOCK_SIZE);
}
- kernel_neon_end();
return err;
}
@@ -329,7 +329,6 @@ static int __xts_crypt(struct skcipher_request *req,
crypto_cipher_encrypt_one(ctx->tweak_tfm, walk.iv, walk.iv);
- kernel_neon_begin();
while (walk.nbytes >= AES_BLOCK_SIZE) {
unsigned int blocks = walk.nbytes / AES_BLOCK_SIZE;
@@ -337,12 +336,13 @@ static int __xts_crypt(struct skcipher_request *req,
blocks = round_down(blocks,
walk.stride / AES_BLOCK_SIZE);
+ kernel_neon_begin();
fn(walk.dst.virt.addr, walk.src.virt.addr, ctx->key.rk,
ctx->key.rounds, blocks, walk.iv);
+ kernel_neon_end();
err = skcipher_walk_done(&walk,
walk.nbytes - blocks * AES_BLOCK_SIZE);
}
- kernel_neon_end();
return err;
}