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mtd: elm: Use correct check on return value of pm_runtime_get_sync

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The ELM driver incorrectly reagard any non-zero return value from
pm_runtime_get_sync as an error, but it may return 1 if the device
was already active. Fix to only error when return value is negative.

Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
This commit is contained in:
Stefan Sørensen 2014-02-03 15:54:09 +01:00 committed by Brian Norris
parent 60c3bc1fd6
commit 0a21552a6e
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/devices/elm.c
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@ -380,7 +380,7 @@ static int elm_probe(struct platform_device *pdev)
}
pm_runtime_enable(&pdev->dev);
if (pm_runtime_get_sync(&pdev->dev)) {
if (pm_runtime_get_sync(&pdev->dev) < 0) {
ret = -EINVAL;
pm_runtime_disable(&pdev->dev);
dev_err(&pdev->dev, "can't enable clock\n");