diff options
Diffstat (limited to 'drivers/media/dvb-core/dvb_ca_en50221.c')
| -rw-r--r-- | drivers/media/dvb-core/dvb_ca_en50221.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/media/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb-core/dvb_ca_en50221.c index 3f6c8bd8f869..b462ebc0c544 100644 --- a/drivers/media/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb-core/dvb_ca_en50221.c @@ -37,8 +37,8 @@ #include <linux/sched/signal.h> #include <linux/kthread.h> -#include "dvb_ca_en50221.h" -#include "dvb_ringbuffer.h" +#include <media/dvb_ca_en50221.h> +#include <media/dvb_ringbuffer.h> static int dvb_ca_en50221_debug; @@ -786,7 +786,7 @@ exit: * @ca: CA instance. * @slot: Slot to write to. * @buf: The data in this buffer is treated as a complete link-level packet to - * be written. + * be written. * @bytes_write: Size of ebuf. * * return: Number of bytes written, or < 0 on error. @@ -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 */ |