From: Zhangfei Gao <zhangfei.gao@linaro.org>
Date: Mon, 15 Jun 2020 03:38:37 +0000 (+0800)
Subject: crypto: hisilicon - fix strncpy warning with strscpy
X-Git-Tag: v5.15~3097^2~137
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6ec5e8b5e7148c3ece1850dffd62a493dbfc2d22;p=platform%2Fkernel%2Flinux-starfive.git

crypto: hisilicon - fix strncpy warning with strscpy

Use strscpy to fix the warning
warning: 'strncpy' specified bound 64 equals destination size

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index 13ccb9e..9762fd1f 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -2170,8 +2170,12 @@ static int qm_alloc_uacce(struct hisi_qm *qm)
 		.flags = UACCE_DEV_SVA,
 		.ops = &uacce_qm_ops,
 	};
+	int ret;
 
-	strncpy(interface.name, pdev->driver->name, sizeof(interface.name));
+	ret = strscpy(interface.name, pdev->driver->name,
+		      sizeof(interface.name));
+	if (ret < 0)
+		return -ENAMETOOLONG;
 
 	uacce = uacce_alloc(&pdev->dev, &interface);
 	if (IS_ERR(uacce))