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-rw-r--r--arch/arm64/crypto/aes-neonbs-glue.c2
-rw-r--r--arch/arm64/crypto/ghash-ce-glue.c10
2 files changed, 8 insertions, 4 deletions
diff --git a/arch/arm64/crypto/aes-neonbs-glue.c b/arch/arm64/crypto/aes-neonbs-glue.c
index e7a95a566462..5cc248967387 100644
--- a/arch/arm64/crypto/aes-neonbs-glue.c
+++ b/arch/arm64/crypto/aes-neonbs-glue.c
@@ -304,6 +304,8 @@ static int __xts_crypt(struct skcipher_request *req,
int err;
err = skcipher_walk_virt(&walk, req, false);
+ if (err)
+ return err;
kernel_neon_begin();
neon_aes_ecb_encrypt(walk.iv, walk.iv, ctx->twkey, ctx->key.rounds, 1);
diff --git a/arch/arm64/crypto/ghash-ce-glue.c b/arch/arm64/crypto/ghash-ce-glue.c
index 067d8937d5af..1ed227bf6106 100644
--- a/arch/arm64/crypto/ghash-ce-glue.c
+++ b/arch/arm64/crypto/ghash-ce-glue.c
@@ -418,9 +418,11 @@ static int gcm_encrypt(struct aead_request *req)
put_unaligned_be32(2, iv + GCM_IV_SIZE);
while (walk.nbytes >= (2 * AES_BLOCK_SIZE)) {
- int blocks = walk.nbytes / AES_BLOCK_SIZE;
+ const int blocks =
+ walk.nbytes / (2 * AES_BLOCK_SIZE) * 2;
u8 *dst = walk.dst.virt.addr;
u8 *src = walk.src.virt.addr;
+ int remaining = blocks;
do {
__aes_arm64_encrypt(ctx->aes_key.key_enc,
@@ -430,9 +432,9 @@ static int gcm_encrypt(struct aead_request *req)
dst += AES_BLOCK_SIZE;
src += AES_BLOCK_SIZE;
- } while (--blocks > 0);
+ } while (--remaining > 0);
- ghash_do_update(walk.nbytes / AES_BLOCK_SIZE, dg,
+ ghash_do_update(blocks, dg,
walk.dst.virt.addr, &ctx->ghash_key,
NULL);
@@ -553,7 +555,7 @@ static int gcm_decrypt(struct aead_request *req)
put_unaligned_be32(2, iv + GCM_IV_SIZE);
while (walk.nbytes >= (2 * AES_BLOCK_SIZE)) {
- int blocks = walk.nbytes / AES_BLOCK_SIZE;
+ int blocks = walk.nbytes / (2 * AES_BLOCK_SIZE) * 2;
u8 *dst = walk.dst.virt.addr;
u8 *src = walk.src.virt.addr;