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Commit 3200da8d authored by Wei Yongjun's avatar Wei Yongjun Committed by Herbert Xu
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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: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent c12ab20b

drivers/crypto/tegra-aes.c

+6 −2
Original line number Diff line number Diff line
@@ -674,8 +674,10 @@ static int tegra_aes_get_random(struct crypto_rng *tfm, u8 *rdata, 
	mutex_lock(&aes_lock);



	ret = clk_prepare_enable(dd->aes_clk);

	if (ret)

	if (ret) {

		mutex_unlock(&aes_lock);

		return ret;

	}



	ctx->dd = dd;

	dd->ctx = ctx;
@@ -759,8 +761,10 @@ static int tegra_aes_rng_reset(struct crypto_rng *tfm, u8 *seed, 
	dd->flags = FLAGS_ENCRYPT | FLAGS_RNG;



	ret = clk_prepare_enable(dd->aes_clk);

	if (ret)

	if (ret) {

		mutex_unlock(&aes_lock);

		return ret;

	}



	aes_set_key(dd);