crypto: ux500 - memmove the right size

Orabug: 25308015

[ Upstream commit 19ced623db2fe91604d69f7d86b03144c5107739 ]

The hash buffer is really HASH_BLOCK_SIZE bytes, someone
must have thought that memmove takes n*u32 words by mistake.
Tests work as good/bad as before after this patch.

Cc: Joakim Bech <joakim.bech@linaro.org>
Cc: stable@vger.kernel.org
Reported-by: David Binderman <linuxdev.baldrick@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
(cherry picked from commit 4a088cba60485acbdceee2c3f903e7b0c7846737)
Signed-off-by: Dhaval Giani <dhaval.giani@oracle.com>

diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c
index 5f5f360628fc443aace79138d0b63c7f267b9148..c5e6222a6ca27235e5e74b763edaf2095c19686b 100644 (file)
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@@ -797,7 +797,7 @@ static int hash_process_data(struct hash_device_data *device_data,
                                                &device_data->state);
                                memmove(req_ctx->state.buffer,
                                        device_data->state.buffer,
-                                       HASH_BLOCK_SIZE / sizeof(u32));
+                                       HASH_BLOCK_SIZE);
                                if (ret) {
                                        dev_err(device_data->dev,
                                                "%s: hash_resume_state() failed!\n",
@@ -848,7 +848,7 @@ static int hash_process_data(struct hash_device_data *device_data,
 
                        memmove(device_data->state.buffer,
                                req_ctx->state.buffer,
-                               HASH_BLOCK_SIZE / sizeof(u32));
+                               HASH_BLOCK_SIZE);
                        if (ret) {
                                dev_err(device_data->dev, "%s: hash_save_state() failed!\n",
                                        __func__);