[media] drivers/media/dvb-frontends/tda665x.c: Removes useless kfree()

Remove useless kfree() and clean up code related to the removal.
The semantic patch that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@r exists@
position p1,p2;
expression x;
@@
if (x@p1 == NULL) { ... kfree@p2(x); ... return ...; }
@unchanged exists@
position r.p1,r.p2;
expression e <= r.x,x,e1;
iterator I;
statement S;
@@
if (x@p1 == NULL) { ... when != I(x,...) S
                        when != e = e1
                        when != e += e1
                        when != e -= e1
                        when != ++e
                        when != --e
                        when != e++
                        when != e--
                        when != &e
   kfree@p2(x); ... return ...; }
@ok depends on unchanged exists@
position any r.p1;
position r.p2;
expression x;
@@
... when != true x@p1 == NULL
kfree@p2(x);
@depends on !ok && unchanged@
position r.p2;
expression x;
@@
*kfree@p2(x);
// </smpl>

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/dvb-frontends/tda665x.c b/drivers/media/dvb-frontends/tda665x.c
index 2c1c759a4f42f2ee1b073bba1b4d127da1d00f6b..63cc12378d9aac4cfc7c2ad23be3e851ce9e361e 100644 (file)
--- a/drivers/media/dvb-frontends/tda665x.c
+++ b/drivers/media/dvb-frontends/tda665x.c
@@ -228,8 +228,8 @@ struct dvb_frontend *tda665x_attach(struct dvb_frontend *fe,
        struct dvb_tuner_info *info;
 
        state = kzalloc(sizeof(struct tda665x_state), GFP_KERNEL);
-       if (state == NULL)
-               goto exit;
+       if (!state)
+               return NULL;
 
        state->config           = config;
        state->i2c              = i2c;
@@ -246,10 +246,6 @@ struct dvb_frontend *tda665x_attach(struct dvb_frontend *fe,
        printk(KERN_DEBUG "%s: Attaching TDA665x (%s) tuner\n", __func__, info->name);
 
        return fe;
-
-exit:
-       kfree(state);
-       return NULL;
 }
 EXPORT_SYMBOL(tda665x_attach);