linux-kernel - [PATCH 16/35] crypto: ccree: use devm

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Date:   Thu, 18 Apr 2019 16:38:51 +0300
From:   Gilad Ben-Yossef <gilad@...yossef.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
Cc:     Ofir Drang <ofir.drang@....com>, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 16/35] crypto: ccree: use devm_kzalloc for device data

Move some remaining device data allocation to the safer devm_*
interface.

Signed-off-by: Gilad Ben-Yossef <gilad@...yossef.com>
---
 drivers/crypto/ccree/cc_fips.c     | 4 +---
 drivers/crypto/ccree/cc_sram_mgr.c | 5 ++---
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/crypto/ccree/cc_fips.c b/drivers/crypto/ccree/cc_fips.c
index b4d0a6d983e0..9c03ab238a75 100644
--- a/drivers/crypto/ccree/cc_fips.c
+++ b/drivers/crypto/ccree/cc_fips.c
@@ -49,8 +49,6 @@ void cc_fips_fini(struct cc_drvdata *drvdata)
 
 	/* Kill tasklet */
 	tasklet_kill(&fips_h->tasklet);
-
-	kfree(fips_h);
 	drvdata->fips_handle = NULL;
 }
 
@@ -104,7 +102,7 @@ int cc_fips_init(struct cc_drvdata *p_drvdata)
 	if (p_drvdata->hw_rev < CC_HW_REV_712)
 		return 0;
 
-	fips_h = kzalloc(sizeof(*fips_h), GFP_KERNEL);
+	fips_h = devm_kzalloc(dev, sizeof(*fips_h), GFP_KERNEL);
 	if (!fips_h)
 		return -ENOMEM;
 
diff --git a/drivers/crypto/ccree/cc_sram_mgr.c b/drivers/crypto/ccree/cc_sram_mgr.c
index c8c276f6dee9..86319788e390 100644
--- a/drivers/crypto/ccree/cc_sram_mgr.c
+++ b/drivers/crypto/ccree/cc_sram_mgr.c
@@ -19,8 +19,7 @@ struct cc_sram_ctx {
  */
 void cc_sram_mgr_fini(struct cc_drvdata *drvdata)
 {
-	/* Free "this" context */
-	kfree(drvdata->sram_mgr_handle);
+	/* Nothing needed */
 }
 
 /**
@@ -48,7 +47,7 @@ int cc_sram_mgr_init(struct cc_drvdata *drvdata)
 	}
 
 	/* Allocate "this" context */
-	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
 
 	if (!ctx)
 		return -ENOMEM;
-- 
2.21.0