Messages in this thread Patch in this message | | | From | Bryan Wu <> | Subject | [PATCH 16/25] leds: convert Freescale MC13783 LED driver to devm_kzalloc() and cleanup error exit path | Date | Wed, 4 Jul 2012 13:10:08 +0800 |
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Cc: Philippe Retornaz <philippe.retornaz@epfl.ch> Signed-off-by: Bryan Wu <bryan.wu@canonical.com> --- drivers/leds/leds-mc13783.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c index 6515c11..2a5d434 100644 --- a/drivers/leds/leds-mc13783.c +++ b/drivers/leds/leds-mc13783.c @@ -280,7 +280,8 @@ static int __devinit mc13783_led_probe(struct platform_device *pdev) return -EINVAL; } - led = kcalloc(pdata->num_leds, sizeof(*led), GFP_KERNEL); + led = devm_kzalloc(&pdev->dev, pdata->num_leds * sizeof(*led), + GFP_KERNEL); if (led == NULL) { dev_err(&pdev->dev, "failed to alloc memory\n"); return -ENOMEM; @@ -289,7 +290,7 @@ static int __devinit mc13783_led_probe(struct platform_device *pdev) ret = mc13783_leds_prepare(pdev); if (ret) { dev_err(&pdev->dev, "unable to init led driver\n"); - goto err_free; + return ret; } for (i = 0; i < pdata->num_leds; i++) { @@ -344,8 +345,6 @@ err_register: cancel_work_sync(&led[i].work); } -err_free: - kfree(led); return ret; } @@ -373,7 +372,6 @@ static int __devexit mc13783_led_remove(struct platform_device *pdev) mc13xxx_unlock(dev); platform_set_drvdata(pdev, NULL); - kfree(led); return 0; } -- 1.7.10.4
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