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 9d31b80969f2a58b2f3f2144d1e2c002c35b8fd2..795428c1d07e34b74d4d9a7335ab94bd23fc6942 100644 (file)
--- 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;