Thread (2 messages) 2 messages, 2 authors, 2014-08-25
STALE4346d

[PATCH] arm64/crypto: remove redundant update of data

From: Colin King <hidden>
Date: 2014-08-24 20:38:50
Also in: linux-arm-kernel, lkml
Subsystem: arm64 port (aarch64 architecture), the rest · Maintainers: Catalin Marinas, Will Deacon, Linus Torvalds

From: Colin Ian King <redacted>

Originally found by cppcheck:

[arch/arm64/crypto/sha2-ce-glue.c:153]: (warning) Assignment of
  function parameter has no effect outside the function. Did you
  forget dereferencing it?

Updating data by blocks * SHA256_BLOCK_SIZE at the end of
ha2_finup is redundant code and can be removed.

Signed-off-by: Colin Ian King <redacted>
---
 arch/arm64/crypto/sha2-ce-glue.c | 1 -
 1 file changed, 1 deletion(-)
diff --git a/arch/arm64/crypto/sha2-ce-glue.c b/arch/arm64/crypto/sha2-ce-glue.c
index c294e67..ae67e88 100644
--- a/arch/arm64/crypto/sha2-ce-glue.c
+++ b/arch/arm64/crypto/sha2-ce-glue.c
@@ -150,7 +150,6 @@ static void sha2_finup(struct shash_desc *desc, const u8 *data,
 	kernel_neon_begin_partial(28);
 	sha2_ce_transform(blocks, data, sctx->state, NULL, len);
 	kernel_neon_end();
-	data += blocks * SHA256_BLOCK_SIZE;
 }
 
 static int sha224_finup(struct shash_desc *desc, const u8 *data,
-- 
2.1.0
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