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-rw-r--r--drivers/media/tuners/tuner-xc2028.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/media/tuners/tuner-xc2028.c b/drivers/media/tuners/tuner-xc2028.c
index e287a7417319..4be5cf808a40 100644
--- a/drivers/media/tuners/tuner-xc2028.c
+++ b/drivers/media/tuners/tuner-xc2028.c
@@ -24,6 +24,9 @@
#include <linux/dvb/frontend.h>
#include "dvb_frontend.h"
+/* Max transfer size done by I2C transfer functions */
+#define MAX_XFER_SIZE 80
+
/* Registers (Write-only) */
#define XREG_INIT 0x00
#define XREG_RF_FREQ 0x02
@@ -547,7 +550,10 @@ static int load_firmware(struct dvb_frontend *fe, unsigned int type,
{
struct xc2028_data *priv = fe->tuner_priv;
int pos, rc;
- unsigned char *p, *endp, buf[priv->ctrl.max_len];
+ unsigned char *p, *endp, buf[MAX_XFER_SIZE];
+
+ if (priv->ctrl.max_len > sizeof(buf))
+ priv->ctrl.max_len = sizeof(buf);
tuner_dbg("%s called\n", __func__);