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| author | Bryan Wu <bryan.wu@canonical.com> | 2012-07-04 12:30:50 +0800 |
|---|---|---|
| committer | Bryan Wu <bryan.wu@canonical.com> | 2012-07-24 07:52:40 +0800 |
| commit | a209f7669870c461932515eba147b961692de37f (patch) | |
| tree | 6612aed73a285b673872fc7d36f43a85949fbd46 | |
| parent | e58603122ee05f9bcfa07a33492d986dd5841a9c (diff) | |
| download | linux-3.10-a209f7669870c461932515eba147b961692de37f.tar.gz linux-3.10-a209f7669870c461932515eba147b961692de37f.tar.bz2 linux-3.10-a209f7669870c461932515eba147b961692de37f.zip | |
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>
| -rw-r--r-- | drivers/leds/leds-ns2.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c index 01cf89ec694..10528dafb04 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; |