[media] af9033: fix broken I2C

Driver did not work anymore since I2C has gone broken due
to recent commit:
commit 37ebaf6891ee81687bb558e8375c0712d8264ed8
[media] dvb-frontends: Don't use dynamic static allocation

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 30ee59052157815edd50669afe2293ed4e2e8867..65728c25ea05adcd50bd658c96a6c54dd6fb569b 100644 (file)
--- a/drivers/media/dvb-frontends/af9033.c
+++ b/drivers/media/dvb-frontends/af9033.c
@@ -170,18 +170,18 @@ static int af9033_rd_reg_mask(struct af9033_state *state, u32 reg, u8 *val,
 static int af9033_wr_reg_val_tab(struct af9033_state *state,
                const struct reg_val *tab, int tab_len)
 {
+#define MAX_TAB_LEN 212
        int ret, i, j;
-       u8 buf[MAX_XFER_SIZE];
+       u8 buf[1 + MAX_TAB_LEN];
+
+       dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len);
 
        if (tab_len > sizeof(buf)) {
-               dev_warn(&state->i2c->dev,
-                        "%s: i2c wr len=%d is too big!\n",
-                        KBUILD_MODNAME, tab_len);
+               dev_warn(&state->i2c->dev, "%s: tab len %d is too big\n",
+                               KBUILD_MODNAME, tab_len);
                return -EINVAL;
        }
 
-       dev_dbg(&state->i2c->dev, "%s: tab_len=%d\n", __func__, tab_len);
-
        for (i = 0, j = 0; i < tab_len; i++) {
                buf[j] = tab[i].val;