From: Xiongfeng Wang <xiongfeng.wang@linaro.org>
Date: Fri, 12 Jan 2018 15:56:05 +0800
Subject: IB/cma: use strlcpy() instead of strncpy()
Patch-mainline: v4.16-rc1
Git-commit: 979a459c8347a797fd03717a3f12289c91617982
References: bsc#1103992 FATE#326009
gcc-8 reports
drivers/infiniband/core/cma_configfs.c: In function 'make_cma_dev':
./include/linux/string.h:245:9: warning: '__builtin_strncpy' specified
bound 64 equals destination size [-Wstringop-truncation]
We need to use strlcpy() to make sure the string is nul-terminated.
Signed-off-by: Xiongfeng Wang <xiongfeng.wang@linaro.org>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
drivers/infiniband/core/cma_configfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/core/cma_configfs.c
+++ b/drivers/infiniband/core/cma_configfs.c
@@ -295,7 +295,7 @@ static struct config_group *make_cma_dev
goto fail;
}
- strncpy(cma_dev_group->name, name, sizeof(cma_dev_group->name));
+ strlcpy(cma_dev_group->name, name, sizeof(cma_dev_group->name));
config_group_init_type_name(&cma_dev_group->ports_group, "ports",
&cma_ports_group_type);