[PATCH] helene: fix memory leak when heleno_x_pon fails

[Colin King]

From: Colin Ian King <colin.k...@canonical.com>

The error return path of failed calls to heleno_x_pon leak
memory because priv is not kfree'd.  Fix this by kfree'ing
priv before returning.

Signed-off-by: Colin Ian King <colin.k...@canonical.com>
---
 drivers/media/dvb-frontends/helene.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/media/dvb-frontends/helene.c 
b/drivers/media/dvb-frontends/helene.c
index 97a8982..3d1cd5f 100644
--- a/drivers/media/dvb-frontends/helene.c
+++ b/drivers/media/dvb-frontends/helene.c
@@ -987,8 +987,10 @@ struct dvb_frontend *helene_attach_s(struct dvb_frontend 
*fe,
        if (fe->ops.i2c_gate_ctrl)
                fe->ops.i2c_gate_ctrl(fe, 1);
 
-       if (helene_x_pon(priv) != 0)
+       if (helene_x_pon(priv) != 0) {
+               kfree(priv);
                return NULL;
+       }
 
        if (fe->ops.i2c_gate_ctrl)
                fe->ops.i2c_gate_ctrl(fe, 0);
@@ -1021,8 +1023,10 @@ struct dvb_frontend *helene_attach(struct dvb_frontend 
*fe,
        if (fe->ops.i2c_gate_ctrl)
                fe->ops.i2c_gate_ctrl(fe, 1);
 
-       if (helene_x_pon(priv) != 0)
+       if (helene_x_pon(priv) != 0) {
+               kfree(priv);
                return NULL;
+       }
 
        if (fe->ops.i2c_gate_ctrl)
                fe->ops.i2c_gate_ctrl(fe, 0);
-- 
2.8.1