From: Shukun Tan <tanshukun1@huawei.com>
Date: Mon, 21 Oct 2019 07:41:01 +0000 (+0800)
Subject: crypto: hisilicon - Fix using plain integer as NULL pointer
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e10966981f7258dd7283f3028f414dd127bb5bfc;p=openwrt%2Fstaging%2Fblogic.git

crypto: hisilicon - Fix using plain integer as NULL pointer

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>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/hisilicon/zip/zip_crypto.c b/drivers/crypto/hisilicon/zip/zip_crypto.c
index 9d31b80969f2..795428c1d07e 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;