Re: [PATCH 6/8] MIPS: octeon: Replace memset(0) + deprecated strcpy() with strscpy_pad()
From: Justin Stitt
Date: Mon Aug 18 2025 - 20:04:49 EST
Hi,
On Sun, Aug 17, 2025 at 08:37:16PM +0200, Thorsten Blum wrote:
> Replace memset(0) followed by the deprecated strcpy() with strscpy_pad()
> to improve octeon_fdt_set_phy(). This avoids zeroing the memory before
> copying the string and ensures the destination buffer is only written to
> once, simplifying the code and improving efficiency.
>
> Link: https://github.com/KSPP/linux/issues/88
> Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>
Reviewed-by: Justin Stitt <justinstitt@xxxxxxxxxx>
> ---
> arch/mips/cavium-octeon/octeon-platform.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c
> index 5e1dd4e6e82f..47677b5d7ed0 100644
> --- a/arch/mips/cavium-octeon/octeon-platform.c
> +++ b/arch/mips/cavium-octeon/octeon-platform.c
> @@ -13,6 +13,7 @@
> #include <linux/of_fdt.h>
> #include <linux/platform_device.h>
> #include <linux/libfdt.h>
> +#include <linux/string.h>
>
> #include <asm/octeon/octeon.h>
> #include <asm/octeon/cvmx-helper-board.h>
> @@ -538,8 +539,7 @@ static void __init octeon_fdt_set_phy(int eth, int phy_addr)
>
> if (octeon_has_88e1145()) {
> fdt_nop_property(initial_boot_params, phy, "marvell,reg-init");
> - memset(new_name, 0, sizeof(new_name));
> - strcpy(new_name, "marvell,88e1145");
> + strscpy_pad(new_name, "marvell,88e1145");
> p = fdt_getprop(initial_boot_params, phy, "compatible",
> ¤t_len);
> if (p && current_len >= strlen(new_name))
> --
> 2.50.1
>
>
Thanks
Justin