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path: root/drivers/media/usb/ttusb-dec/ttusbdecfe.c
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Diffstat (limited to 'drivers/media/usb/ttusb-dec/ttusbdecfe.c')
-rw-r--r--drivers/media/usb/ttusb-dec/ttusbdecfe.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/usb/ttusb-dec/ttusbdecfe.c b/drivers/media/usb/ttusb-dec/ttusbdecfe.c
index 5c45c9d..9c29552 100644
--- a/drivers/media/usb/ttusb-dec/ttusbdecfe.c
+++ b/drivers/media/usb/ttusb-dec/ttusbdecfe.c
@@ -156,6 +156,9 @@ static int ttusbdecfe_dvbs_diseqc_send_master_cmd(struct dvb_frontend* fe, struc
0x00, 0x00, 0x00, 0x00,
0x00, 0x00 };
+ if (cmd->msg_len > sizeof(b) - 4)
+ return -EINVAL;
+
memcpy(&b[4], cmd->msg, cmd->msg_len);
state->config->send_command(fe, 0x72,

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