crypto: mxs-dcp: Use devm_kzalloc()

Using devm_kzalloc() can make the code cleaner.

While at it, remove the devm_kzalloc error message as there is standard OOM
message done by the core.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 2 insertions, 7 deletions

diff --git a/drivers/crypto/mxs-dcp.c b/drivers/crypto/mxs-dcp.c
index 56bde65ddadf..30941d0c5803 100644
--- a/drivers/crypto/mxs-dcp.c
+++ b/drivers/crypto/mxs-dcp.c
@@ -942,9 +942,8 @@ static int mxs_dcp_probe(struct platform_device *pdev)
         }
 
         /* Allocate coherent helper block. */
-        sdcp->coh = kzalloc(sizeof(struct dcp_coherent_block), GFP_KERNEL);
+        sdcp->coh = devm_kzalloc(dev, sizeof(*sdcp->coh), GFP_KERNEL);
         if (!sdcp->coh) {
-                dev_err(dev, "Error allocating coherent block\n");
                 ret = -ENOMEM;
                 goto err_mutex;
         }
@@ -989,7 +988,7 @@ static int mxs_dcp_probe(struct platform_device *pdev)
         if (IS_ERR(sdcp->thread[DCP_CHAN_HASH_SHA])) {
                 dev_err(dev, "Error starting SHA thread!\n");
                 ret = PTR_ERR(sdcp->thread[DCP_CHAN_HASH_SHA]);
-                goto err_free_coherent;
+                goto err_mutex;
         }
 
         sdcp->thread[DCP_CHAN_CRYPTO] = kthread_run(dcp_chan_thread_aes,
@@ -1047,8 +1046,6 @@ err_destroy_aes_thread:
 err_destroy_sha_thread:
         kthread_stop(sdcp->thread[DCP_CHAN_HASH_SHA]);
 
-err_free_coherent:
-        kfree(sdcp->coh);
 err_mutex:
         mutex_unlock(&global_mutex);
         return ret;
@@ -1058,8 +1055,6 @@ static int mxs_dcp_remove(struct platform_device *pdev)
 {
         struct dcp *sdcp = platform_get_drvdata(pdev);
 
-        kfree(sdcp->coh);
-
         if (sdcp->caps & MXS_DCP_CAPABILITY1_SHA256)
                 crypto_unregister_ahash(&dcp_sha256_alg);