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From:   Shukun Tan <tanshukun1@huawei.com>
To:     <herbert@gondor.apana.org.au>, <davem@davemloft.net>
CC:     <wangzhou1@hisilicon.com>, <linux-crypto@vger.kernel.org>,
        <linuxarm@huawei.com>
Subject: [PATCH 2/4] crypto: hisilicon - Fix using plain integer as NULL pointer
Date:   Mon, 21 Oct 2019 15:41:01 +0800
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This patch fix sparse warning:
zip_crypto.c:425:26: warning: Using plain integer as NULL pointer

Replaces assignment of 0 to pointer with NULL assignment.

Signed-off-by: Shukun Tan <tanshukun1@huawei.com>
Signed-off-by: Zhou Wang <wangzhou1@hisilicon.com>
---
 drivers/crypto/hisilicon/zip/zip_crypto.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c
index 9d31b80..795428c 100644
--- a/drivers/crypto/hisilicon/zip/zip_crypto.c
+++ b/drivers/crypto/hisilicon/zip/zip_crypto.c
@@ -42,7 +42,7 @@ enum hisi_zip_alg_type {
 
 #define TO_HEAD(req_type)						\
 	(((req_type) == HZIP_ALG_TYPE_ZLIB) ? zlib_head :		\
-	 ((req_type) == HZIP_ALG_TYPE_GZIP) ? gzip_head : 0)		\
+	 ((req_type) == HZIP_ALG_TYPE_GZIP) ? gzip_head : NULL)		\
 
 struct hisi_zip_req {
 	struct acomp_req *req;
-- 
2.7.4