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authorPeter Senna Tschudin <peter.senna@gmail.com>2012-09-12 08:55:57 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-10-06 11:14:46 -0300
commit6f0fdc498e30ce34da559f43e359c4b517cb5b8b (patch)
treeaf99264fda664e27e80cbbdcae96d8d5278c4a04 /drivers/media/tuners/mt2063.c
parent0ae13e9e673786985b6910d5a051bc7cea038ea6 (diff)
downloadop-kernel-dev-6f0fdc498e30ce34da559f43e359c4b517cb5b8b.zip
op-kernel-dev-6f0fdc498e30ce34da559f43e359c4b517cb5b8b.tar.gz
[media] drivers/media/tuners/mt2063.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/tuners/mt2063.c')
-rw-r--r--drivers/media/tuners/mt2063.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/media/tuners/mt2063.c b/drivers/media/tuners/mt2063.c
index 0ed9091..620c4fa 100644
--- a/drivers/media/tuners/mt2063.c
+++ b/drivers/media/tuners/mt2063.c
@@ -2249,8 +2249,8 @@ struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe,
dprintk(2, "\n");
state = kzalloc(sizeof(struct mt2063_state), GFP_KERNEL);
- if (state == NULL)
- goto error;
+ if (!state)
+ return NULL;
state->config = config;
state->i2c = i2c;
@@ -2261,10 +2261,6 @@ struct dvb_frontend *mt2063_attach(struct dvb_frontend *fe,
printk(KERN_INFO "%s: Attaching MT2063\n", __func__);
return fe;
-
-error:
- kfree(state);
- return NULL;
}
EXPORT_SYMBOL_GPL(mt2063_attach);
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