V4L/DVB (6559): Fix a buffer overflow at xc2028_get_reg

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/video/tuner-xc2028.c b/drivers/media/video/tuner-xc2028.c
index 80d14020c78d5404900a208cd2b9984c40cf02a9..b4c88ed12a8aacad537c48692437ad86e7698074 100644 (file)
--- a/drivers/media/video/tuner-xc2028.c
+++ b/drivers/media/video/tuner-xc2028.c
@@ -94,13 +94,13 @@ struct xc2028_data {
 static int xc2028_get_reg(struct xc2028_data *priv, u16 reg)
 {
        int rc;
-       unsigned char buf[1];
+       unsigned char buf[2];
 
        tuner_info("%s called\n", __FUNCTION__);
 
        buf[0] = reg;
 
-       i2c_send(rc, priv, buf, sizeof(buf));
+       i2c_send(rc, priv, buf, 1);
        if (rc < 0)
                return rc;