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[PATCH 3.10 101/180] crypto: ux500 - memmove the right size

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  [PATCH 3.10 101/180] crypto: ux500 - memmove the right size Willy Tarreau <w@1wt.eu> - 2016-08-21 17:40 +0200

#1467003 — [PATCH 3.10 101/180] crypto: ux500 - memmove the right size

From: Linus Walleij <linus.walleij@linaro.org>

commit 19ced623db2fe91604d69f7d86b03144c5107739 upstream.

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: Willy Tarreau <w@1wt.eu>
---
 drivers/crypto/ux500/hash/hash_core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/ux500/hash/hash_core.c b/drivers/crypto/ux500/hash/hash_core.c
index 6789c16..cde4a6e 100644
--- a/drivers/crypto/ux500/hash/hash_core.c
+++ b/drivers/crypto/ux500/hash/hash_core.c
@@ -806,7 +806,7 @@ int hash_process_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()"
@@ -858,7 +858,7 @@ int hash_process_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()"
-- 
2.8.0.rc2.1.gbe9624a

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