drivers/leds/leds-sunfire.c: fix sunfire_led_generic_probe() error handling
- return -ENOMEM if kzalloc fails, rather than the current -EINVAL
- fix a memory leak in the case of goto out_unregister_led_cdevs
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/leds/leds-sunfire.c b/drivers/leds/leds-sunfire.c
index ab6d18f..1757396 100644
--- a/drivers/leds/leds-sunfire.c
+++ b/drivers/leds/leds-sunfire.c
@@ -127,17 +127,19 @@
struct led_type *types)
{
struct sunfire_drvdata *p;
- int i, err = -EINVAL;
+ int i, err;
if (pdev->num_resources != 1) {
printk(KERN_ERR PFX "Wrong number of resources %d, should be 1\n",
pdev->num_resources);
+ err = -EINVAL;
goto out;
}
p = kzalloc(sizeof(*p), GFP_KERNEL);
if (!p) {
printk(KERN_ERR PFX "Could not allocate struct sunfire_drvdata\n");
+ err = -ENOMEM;
goto out;
}
@@ -160,14 +162,14 @@
dev_set_drvdata(&pdev->dev, p);
- err = 0;
-out:
- return err;
+ return 0;
out_unregister_led_cdevs:
for (i--; i >= 0; i--)
led_classdev_unregister(&p->leds[i].led_cdev);
- goto out;
+ kfree(p);
+out:
+ return err;
}
static int __devexit sunfire_led_generic_remove(struct platform_device *pdev)