kgdboc,kgdbts: strlen() doesn't count the terminator

This is an off by one because strlen() doesn't count the null
terminator. We strcpy() these strings into an array of size
MAX_CONFIG_LEN.

Signed-off-by: Dan Carpenter <[e-mail]>
Signed-off-by: Jason Wessel <[e-mail]>

drivers/misc/kgdbts.c

···
 
 static int kgdbts_option_setup(char *opt)
 {
-	if (strlen(opt) > MAX_CONFIG_LEN) {
+	if (strlen(opt) >= MAX_CONFIG_LEN) {
 		printk(KERN_ERR "kgdbts: config string too long\n");
 		return -ENOSPC;
 	}

drivers/tty/serial/kgdboc.c

···
 
 static int kgdboc_option_setup(char *opt)
 {
-	if (strlen(opt) > MAX_CONFIG_LEN) {
+	if (strlen(opt) >= MAX_CONFIG_LEN) {
 		printk(KERN_ERR "kgdboc: config string too long\n");
 		return -ENOSPC;
 	}