hwrng: omap - Convert to devm_kzalloc()

Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 2 insertions, 7 deletions

diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index 3e9a7ecbd5e5..9c19396b940f 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -109,7 +109,8 @@ static int omap_rng_probe(struct platform_device *pdev)
         struct omap_rng_private_data *priv;
         int ret;
 
-        priv = kzalloc(sizeof(struct omap_rng_private_data), GFP_KERNEL);
+        priv = devm_kzalloc(&pdev->dev, sizeof(struct omap_rng_private_data),
+                            GFP_KERNEL);
         if (!priv) {
                 dev_err(&pdev->dev, "could not allocate memory\n");
                 return -ENOMEM;
@@ -144,8 +145,6 @@ err_register:
         priv->base = NULL;
         pm_runtime_disable(&pdev->dev);
 err_ioremap:
-        kfree(priv);
-
         return ret;
 }
 
@@ -160,10 +159,6 @@ static int __exit omap_rng_remove(struct platform_device *pdev)
         pm_runtime_put_sync(&pdev->dev);
         pm_runtime_disable(&pdev->dev);
 
-        release_mem_region(priv->mem_res->start, resource_size(priv->mem_res));
-
-        kfree(priv);
-
         return 0;
 }