Re: [PATCH] IB/cma: use strlcpy() instead of strncpy()

From: Jason Gunthorpe
Date: Mon Jan 15 2018 - 18:05:01 EST


On Fri, Jan 12, 2018 at 03:56:05PM +0800, Xiongfeng Wang wrote:
> From: Xiongfeng Wang <xiongfeng.wang@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
> Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
> drivers/infiniband/core/cma_configfs.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Applied to rdma for-next, thanks

Jason