diff options
Diffstat (limited to 'drivers/crypto/tegra-aes.c')
| -rw-r--r-- | drivers/crypto/tegra-aes.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/crypto/tegra-aes.c b/drivers/crypto/tegra-aes.c index e69f3bc473b..eb32fd8cad1 100644 --- a/drivers/crypto/tegra-aes.c +++ b/drivers/crypto/tegra-aes.c @@ -672,8 +672,10 @@ 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; @@ -757,8 +759,10 @@ 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); @@ -1029,7 +1033,7 @@ out: if (dd->buf_out) dma_free_coherent(dev, AES_HW_DMA_BUFFER_SIZE_BYTES, dd->buf_out, dd->dma_buf_out); - if (IS_ERR(dd->aes_clk)) + if (!IS_ERR(dd->aes_clk)) clk_put(dd->aes_clk); if (aes_wq) destroy_workqueue(aes_wq); |