Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto fixes from Herbert Xu: "This push fixes an unaligned fault on x86-32 with aesni-intel and an RNG failure with atmel-rng (repeated bits)." * git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: aesni-intel - fix unaligned cbc decrypt for x86-32 hwrng: atmel-rng - fix race condition leading to repeated bits
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4e3c8a1b1c
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@ -2460,10 +2460,12 @@ ENTRY(aesni_cbc_dec)
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pxor IN3, STATE4
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movaps IN4, IV
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#else
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pxor (INP), STATE2
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pxor 0x10(INP), STATE3
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pxor IN1, STATE4
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movaps IN2, IV
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movups (INP), IN1
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pxor IN1, STATE2
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movups 0x10(INP), IN2
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pxor IN2, STATE3
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#endif
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movups STATE1, (OUTP)
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movups STATE2, 0x10(OUTP)
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@ -36,6 +36,13 @@ static int atmel_trng_read(struct hwrng *rng, void *buf, size_t max,
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/* data ready? */
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if (readl(trng->base + TRNG_ODATA) & 1) {
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*data = readl(trng->base + TRNG_ODATA);
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/*
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ensure data ready is only set again AFTER the next data
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word is ready in case it got set between checking ISR
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and reading ODATA, so we don't risk re-reading the
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same word
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*/
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readl(trng->base + TRNG_ISR);
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return 4;
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} else
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return 0;
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