diff options
| author | Peter Senna Tschudin <peter.senna@gmail.com> | 2012-09-12 15:55:59 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-06 18:14:04 +0400 |
| commit | 0df1042751b0047966834a33e81bb29ac95984e9 (patch) | |
| tree | 4fb5cc14b97872ef1056dde977d3b30f8141a025 /drivers/media | |
| parent | e4533e65b3a4194c859e79d8cf9659f1cf1705aa (diff) | |
| download | linux-0df1042751b0047966834a33e81bb29ac95984e9.tar.xz | |
[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>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb-frontends/tda665x.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/media/dvb-frontends/tda665x.c b/drivers/media/dvb-frontends/tda665x.c index 2c1c759a4f42..63cc12378d9a 100644 --- 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); |