From: Kalle Valo Date: Tue, 13 Jun 2023 14:09:17 +0000 (+0300) Subject: wifi: hostap: fix stringop-truncations GCC warning X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=5ea0c313090046d84064dc556983d8ed7e6065dd;p=linux.git wifi: hostap: fix stringop-truncations GCC warning With GCC 13.1 and W=1 hostap has a warning: drivers/net/wireless/intersil/hostap/hostap_ioctl.c:3633:17: warning: 'strncpy' specified bound 16 equals destination size [-Wstringop-truncation] fortify-string.h recommends not to use strncpy() so use strscpy() which fixes the warning. Also now it's guarenteed that the string is NUL-terminated. Compile tested only. Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20230613140918.389690-4-kvalo@kernel.org --- diff --git a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c index 26287b129d186..b4adfc190ae87 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c @@ -3630,7 +3630,7 @@ static int prism2_ioctl_get_encryption(local_info_t *local, param->u.crypt.key_len = 0; param->u.crypt.idx = 0xff; } else { - strncpy(param->u.crypt.alg, (*crypt)->ops->name, + strscpy(param->u.crypt.alg, (*crypt)->ops->name, HOSTAP_CRYPT_ALG_NAME_LEN); param->u.crypt.key_len = 0;