diff options
| -rw-r--r-- | drivers/power/reset/at91-sama5d2_shdwc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c index ad6e2796690a..2b686c55b717 100644 --- a/drivers/power/reset/at91-sama5d2_shdwc.c +++ b/drivers/power/reset/at91-sama5d2_shdwc.c @@ -255,6 +255,9 @@ static int __init at91_shdwc_probe(struct platform_device *pdev) if (!pdev->dev.of_node) return -ENODEV; + if (at91_shdwc) + return -EBUSY; + at91_shdwc = devm_kzalloc(&pdev->dev, sizeof(*at91_shdwc), GFP_KERNEL); if (!at91_shdwc) return -ENOMEM; |