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authorBryan Wu <bryan.wu@canonical.com>2012-07-04 08:09:05 +0400
committerBryan Wu <bryan.wu@canonical.com>2012-07-24 03:52:39 +0400
commit73759f6ab3620d605a5ce07d5316df1abb7edf18 (patch)
treef7d92a0e03187fa9489f7cb999c3fa816e0e0bac /drivers/leds/leds-pca955x.c
parent234699a8f3228754fa4c0dfe90170c8a043fedab (diff)
downloadlinux-73759f6ab3620d605a5ce07d5316df1abb7edf18.tar.xz
leds: convert PCA955x LED driver to devm_kzalloc() and cleanup error exit path
Cc: Nate Case <ncase@xes-inc.com> Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Diffstat (limited to 'drivers/leds/leds-pca955x.c')
-rw-r--r--drivers/leds/leds-pca955x.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c
index 5f462dbf0dbb..aef3cf0432fe 100644
--- a/drivers/leds/leds-pca955x.c
+++ b/drivers/leds/leds-pca955x.c
@@ -293,15 +293,14 @@ static int __devinit pca955x_probe(struct i2c_client *client,
}
}
- pca955x = kzalloc(sizeof(*pca955x), GFP_KERNEL);
+ pca955x = devm_kzalloc(&client->dev, sizeof(*pca955x), GFP_KERNEL);
if (!pca955x)
return -ENOMEM;
- pca955x->leds = kzalloc(sizeof(*pca955x_led) * chip->bits, GFP_KERNEL);
- if (!pca955x->leds) {
- err = -ENOMEM;
- goto exit_nomem;
- }
+ pca955x->leds = devm_kzalloc(&client->dev,
+ sizeof(*pca955x_led) * chip->bits, GFP_KERNEL);
+ if (!pca955x->leds)
+ return -ENOMEM;
i2c_set_clientdata(client, pca955x);
@@ -361,10 +360,6 @@ exit:
cancel_work_sync(&pca955x->leds[i].work);
}
- kfree(pca955x->leds);
-exit_nomem:
- kfree(pca955x);
-
return err;
}
@@ -378,9 +373,6 @@ static int __devexit pca955x_remove(struct i2c_client *client)
cancel_work_sync(&pca955x->leds[i].work);
}
- kfree(pca955x->leds);
- kfree(pca955x);
-
return 0;
}