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-rw-r--r--drivers/base/platform.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 598acf93a360..6cb04ac48bf0 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -258,8 +258,9 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
int ret;
ret = platform_get_irq_optional(dev, num);
- if (ret < 0 && ret != -EPROBE_DEFER)
- dev_err(&dev->dev, "IRQ index %u not found\n", num);
+ if (ret < 0)
+ return dev_err_probe(&dev->dev, ret,
+ "IRQ index %u not found\n", num);
return ret;
}
@@ -762,6 +763,10 @@ EXPORT_SYMBOL_GPL(platform_device_del);
/**
* platform_device_register - add a platform-level device
* @pdev: platform device we're adding
+ *
+ * NOTE: _Never_ directly free @pdev after calling this function, even if it
+ * returned an error! Always use platform_device_put() to give up the
+ * reference initialised in this function instead.
*/
int platform_device_register(struct platform_device *pdev)
{