crypto: tegra - fix missing unlock on error case
Add the missing unlock on the error handling path in function tegra_aes_get_random() and tegra_aes_rng_reset(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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@ -674,8 +674,10 @@ static int tegra_aes_get_random(struct crypto_rng *tfm, u8 *rdata,
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mutex_lock(&aes_lock);
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ret = clk_prepare_enable(dd->aes_clk);
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if (ret)
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if (ret) {
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mutex_unlock(&aes_lock);
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return ret;
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}
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ctx->dd = dd;
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dd->ctx = ctx;
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@ -759,8 +761,10 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed,
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dd->flags = FLAGS_ENCRYPT | FLAGS_RNG;
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ret = clk_prepare_enable(dd->aes_clk);
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if (ret)
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if (ret) {
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mutex_unlock(&aes_lock);
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return ret;
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}
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aes_set_key(dd);
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