The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL terminated strings.
Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
Link: https://lore.kernel.org/all/202212070909095189693@zte.com.cn
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
sizeof(union ucan_ctl_payload));
if (ret > 0) {
/* copy string while ensuring zero termination */
- strncpy(firmware_str, up->ctl_msg_buffer->raw,
- sizeof(union ucan_ctl_payload));
- firmware_str[sizeof(union ucan_ctl_payload)] = '\0';
+ strscpy(firmware_str, up->ctl_msg_buffer->raw,
+ sizeof(union ucan_ctl_payload) + 1);
} else {
strcpy(firmware_str, "unknown");
}