diff options
Diffstat (limited to 'drivers/net/caif/caif_serial.c')
| -rw-r--r-- | drivers/net/caif/caif_serial.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c index 34dea95d58db..88a6a5810ec6 100644 --- a/drivers/net/caif/caif_serial.c +++ b/drivers/net/caif/caif_serial.c @@ -347,7 +347,9 @@ static int ldisc_open(struct tty_struct *tty) /* release devices to avoid name collision */ ser_release(NULL); - sprintf(name, "cf%s", tty->name); + result = snprintf(name, sizeof(name), "cf%s", tty->name); + if (result >= IFNAMSIZ) + return -EINVAL; dev = alloc_netdev(sizeof(*ser), name, caifdev_setup); if (!dev) return -ENOMEM; |