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authorBryan Wu <bryan.wu@canonical.com>2012-07-04 12:30:50 +0800
committerBryan Wu <bryan.wu@canonical.com>2012-07-24 07:52:40 +0800
commita209f7669870c461932515eba147b961692de37f (patch)
tree6612aed73a285b673872fc7d36f43a85949fbd46 /drivers/leds/leds-ns2.c
parente58603122ee05f9bcfa07a33492d986dd5841a9c (diff)
leds: convert Network Space v2 LED driver to devm_kzalloc() and cleanup error exit path
Cc: Simon Guinot <sguinot@lacie.com> Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
Diffstat (limited to 'drivers/leds/leds-ns2.c')
-rw-r--r--drivers/leds/leds-ns2.c19
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index 01cf89ec6944..10528dafb043 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -273,29 +273,23 @@ static int __devinit ns2_led_probe(struct platform_device *pdev)
if (!pdata)
return -EINVAL;
- leds_data = kzalloc(sizeof(struct ns2_led_data) *
+ leds_data = devm_kzalloc(&pdev->dev, sizeof(struct ns2_led_data) *
pdata->num_leds, GFP_KERNEL);
if (!leds_data)
return -ENOMEM;
for (i = 0; i < pdata->num_leds; i++) {
ret = create_ns2_led(pdev, &leds_data[i], &pdata->leds[i]);
- if (ret < 0)
- goto err;
-
+ if (ret < 0) {
+ for (i = i - 1; i >= 0; i--)
+ delete_ns2_led(&leds_data[i]);
+ return ret;
+ }
}
platform_set_drvdata(pdev, leds_data);
return 0;
-
-err:
- for (i = i - 1; i >= 0; i--)
- delete_ns2_led(&leds_data[i]);
-
- kfree(leds_data);
-
- return ret;
}
static int __devexit ns2_led_remove(struct platform_device *pdev)
@@ -309,7 +303,6 @@ static int __devexit ns2_led_remove(struct platform_device *pdev)
for (i = 0; i < pdata->num_leds; i++)
delete_ns2_led(&leds_data[i]);
- kfree(leds_data);
platform_set_drvdata(pdev, NULL);
return 0;