diff options
| -rw-r--r-- | drivers/media/dvb-core/dvb_ca_en50221.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c index d48b61eb01f4..a3b2754e7124 100644 --- a/drivers/media/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb-core/dvb_ca_en50221.c @@ -1473,6 +1473,9 @@ static ssize_t dvb_ca_en50221_io_write(struct file *file, return -EFAULT; buf += 2; count -= 2; + + if (slot >= ca->slot_count) + return -EINVAL; sl = &ca->slot_info[slot]; /* check if the slot is actually running */ |