linux-kernel - [PATCH] drivers/crypto/ccp: return NULL instead of 0

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Date:   Wed,  3 May 2017 09:32:09 +0530
From:   Pushkar Jambhlekar <pushkar.iit@...il.com>
To:     Tom Lendacky <thomas.lendacky@....com>,
        Gary Hook <gary.hook@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>
Cc:     linux-crypto@...r.kernel.org (open list:AMD CRYPTOGRAPHIC COPROCESSOR
        (CCP) DRIVER), linux-kernel@...r.kernel.org (open list),
        Pushkar Jambhlekar <pushkar.iit@...il.com>
Subject: [PATCH] drivers/crypto/ccp: return NULL instead of 0

This change is to handle sparse warning. Return type of function is a pointer to the structure and
it returns 0. Instead it should return NULL.

Signed-off-by: Pushkar Jambhlekar <pushkar.iit@...il.com>
---
 drivers/crypto/ccp/ccp-platform.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/ccp/ccp-platform.c b/drivers/crypto/ccp/ccp-platform.c
index 351f28d8..e26969e 100644
--- a/drivers/crypto/ccp/ccp-platform.c
+++ b/drivers/crypto/ccp/ccp-platform.c
@@ -44,7 +44,7 @@ static struct ccp_vdata *ccp_get_of_version(struct platform_device *pdev)
 	if (match && match->data)
 		return (struct ccp_vdata *)match->data;
 #endif
-	return 0;
+	return NULL;
 }
 
 static struct ccp_vdata *ccp_get_acpi_version(struct platform_device *pdev)
@@ -56,7 +56,7 @@ static struct ccp_vdata *ccp_get_acpi_version(struct platform_device *pdev)
 	if (match && match->driver_data)
 		return (struct ccp_vdata *)match->driver_data;
 #endif
-	return 0;
+	return NULL;
 }
 
 static int ccp_get_irq(struct ccp_device *ccp)
-- 
2.7.4