diff options
Diffstat (limited to 'drivers/tty/serial/kgdboc.c')
| -rw-r--r-- | drivers/tty/serial/kgdboc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c index baeeeaec3f03..6fb312e7af71 100644 --- a/drivers/tty/serial/kgdboc.c +++ b/drivers/tty/serial/kgdboc.c @@ -233,7 +233,7 @@ static void kgdboc_put_char(u8 chr) static int param_set_kgdboc_var(const char *kmessage, const struct kernel_param *kp) { - int len = strlen(kmessage); + size_t len = strlen(kmessage); if (len >= MAX_CONFIG_LEN) { pr_err("config string too long\n"); @@ -254,7 +254,7 @@ static int param_set_kgdboc_var(const char *kmessage, strcpy(config, kmessage); /* Chop out \n char as a result of echo */ - if (config[len - 1] == '\n') + if (len && config[len - 1] == '\n') config[len - 1] = '\0'; if (configured == 1) |