[media] cx24117: prevent mutex to be stuck on locked state if FE init fails

This patch will fix the situation where the mutex was left in a
locked state if for some reason the FE init failed.

Signed-off-by: Luis Alves <ljalvs@gmail.com>
Reviewed-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --git a/drivers/media/dvb-frontends/cx24117.c b/drivers/media/dvb-frontends/cx24117.c
index 9087309..476b422 100644 (file)
--- a/drivers/media/dvb-frontends/cx24117.c
+++ b/drivers/media/dvb-frontends/cx24117.c
@@ -1238,11 +1238,11 @@ static int cx24117_initfe(struct dvb_frontend *fe)
        cmd.len = 3;
        ret = cx24117_cmd_execute_nolock(fe, &cmd);
        if (ret != 0)
-               return ret;
+               goto exit;
 
        ret = cx24117_diseqc_init(fe);
        if (ret != 0)
-               return ret;
+               goto exit;
 
        /* CMD 3C */
        cmd.args[0] = 0x3c;
@@ -1252,7 +1252,7 @@ static int cx24117_initfe(struct dvb_frontend *fe)
        cmd.len = 4;
        ret = cx24117_cmd_execute_nolock(fe, &cmd);
        if (ret != 0)
-               return ret;
+               goto exit;
 
        /* CMD 34 */
        cmd.args[0] = 0x34;
@@ -1260,9 +1260,8 @@ static int cx24117_initfe(struct dvb_frontend *fe)
        cmd.args[2] = CX24117_OCC;
        cmd.len = 3;
        ret = cx24117_cmd_execute_nolock(fe, &cmd);
-       if (ret != 0)
-               return ret;
 
+exit:
        mutex_unlock(&state->priv->fe_lock);
 
        return ret;