crypto: hisilicon/sec - Use int type to store negative error codes

Change the 'ret' variable in sec_hw_init() from u32 to int, as
it needs to store either negative error codes or zero returned by
sec_ipv4_hashmask().

No effect on runtime.

Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/hisilicon/sec/sec_drv.c b/drivers/crypto/hisilicon/sec/sec_drv.c
index ef0cb733c92c8ede3e9e51def5b8dfefa883e106..129cb6faa0b748bad1ab81c9b6881c8514122bc1 100644 (file)
--- a/drivers/crypto/hisilicon/sec/sec_drv.c
+++ b/drivers/crypto/hisilicon/sec/sec_drv.c
@@ -922,7 +922,8 @@ static int sec_hw_init(struct sec_dev_info *info)
        struct iommu_domain *domain;
        u32 sec_ipv4_mask = 0;
        u32 sec_ipv6_mask[10] = {};
-       u32 i, ret;
+       int ret;
+       u32 i;
 
        domain = iommu_get_domain_for_dev(info->dev);