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Date: Thu, 24 Jul 2014 10:45:40 +0100 From: Luis Henriques <luis.henriques@...onical.com> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org, kernel-team@...ts.ubuntu.com Cc: Jussi Kivilinna <jussi.kivilinna@....fi>, Herbert Xu <herbert@...dor.apana.org.au>, Luis Henriques <luis.henriques@...onical.com> Subject: [PATCH 3.11 091/128] crypto: sha512_ssse3 - fix byte count to bit count conversion 3.11.10.14 -stable review patch. If anyone has any objections, please let me know. ------------------ From: Jussi Kivilinna <jussi.kivilinna@....fi> commit cfe82d4f45c7cc39332a2be7c4c1d3bf279bbd3d upstream. Byte-to-bit-count computation is only partly converted to big-endian and is mixing in CPU-endian values. Problem was noticed by sparce with warning: CHECK arch/x86/crypto/sha512_ssse3_glue.c arch/x86/crypto/sha512_ssse3_glue.c:144:19: warning: restricted __be64 degrades to integer arch/x86/crypto/sha512_ssse3_glue.c:144:17: warning: incorrect type in assignment (different base types) arch/x86/crypto/sha512_ssse3_glue.c:144:17: expected restricted __be64 <noident> arch/x86/crypto/sha512_ssse3_glue.c:144:17: got unsigned long long Signed-off-by: Jussi Kivilinna <jussi.kivilinna@....fi> Acked-by: Tim Chen <tim.c.chen@...ux.intel.com> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au> Signed-off-by: Luis Henriques <luis.henriques@...onical.com> --- arch/x86/crypto/sha512_ssse3_glue.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/crypto/sha512_ssse3_glue.c b/arch/x86/crypto/sha512_ssse3_glue.c index f30cd10293f0..8626b03e83b7 100644 --- a/arch/x86/crypto/sha512_ssse3_glue.c +++ b/arch/x86/crypto/sha512_ssse3_glue.c @@ -141,7 +141,7 @@ static int sha512_ssse3_final(struct shash_desc *desc, u8 *out) /* save number of bits */ bits[1] = cpu_to_be64(sctx->count[0] << 3); - bits[0] = cpu_to_be64(sctx->count[1] << 3) | sctx->count[0] >> 61; + bits[0] = cpu_to_be64(sctx->count[1] << 3 | sctx->count[0] >> 61); /* Pad out to 112 mod 128 and append length */ index = sctx->count[0] & 0x7f; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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