From e921f0307531b27dbe34c17e8a5be5a88010d179 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Tue, 28 Jan 2014 22:36:11 -0200
Subject: [PATCH] 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>
---
drivers/crypto/mxs-dcp.c | 9 ++-------
1 file 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 @@ static int mxs_dcp_probe(struct platform_device *pdev)
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);
--
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