linux-kernel - [PATCH linux-next] MIPS: OCTEON: cvmx-bootmem: use strscpy() to instead of strncpy()

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Message-ID: <202212031417162803709@zte.com.cn>
Date:   Sat, 3 Dec 2022 14:17:16 +0800 (CST)
From:   <yang.yang29@....com.cn>
To:     <tsbogend@...ha.franken.de>
Cc:     <julia.lawall@...ia.fr>, <linux-mips@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <xu.panda@....com.cn>,
        <yang.yang29@....com.cn>
Subject: [PATCH linux-next] MIPS: OCTEON: cvmx-bootmem: use strscpy() to instead of
 strncpy()

From: Xu Panda <xu.panda@....com.cn>

The implementation of strscpy() is more robust and safer.

Signed-off-by: Xu Panda <xu.panda@....com.cn>
Signed-off-by: Yang Yang <yang.yang29@....com>
---
 arch/mips/cavium-octeon/executive/cvmx-bootmem.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/arch/mips/cavium-octeon/executive/cvmx-bootmem.c b/arch/mips/cavium-octeon/executive/cvmx-bootmem.c
index 306cee07ce3f..334bf8e577e5 100644
--- a/arch/mips/cavium-octeon/executive/cvmx-bootmem.c
+++ b/arch/mips/cavium-octeon/executive/cvmx-bootmem.c
@@ -780,9 +780,8 @@ int64_t cvmx_bootmem_phy_named_block_alloc(uint64_t size, uint64_t min_addr,
 	if (addr_allocated >= 0) {
 		named_block_desc_ptr->base_addr = addr_allocated;
 		named_block_desc_ptr->size = size;
-		strncpy(named_block_desc_ptr->name, name,
+		strscpy(named_block_desc_ptr->name, name,
 			cvmx_bootmem_desc->named_block_name_len);
-		named_block_desc_ptr->name[cvmx_bootmem_desc->named_block_name_len - 1] = 0;
 	}

 	if (!(flags & CVMX_BOOTMEM_FLAG_NO_LOCKING))
-- 
2.15.2