pps: fix incorrect verdict check

From: Joonwoo Park <[email protected]>

Fix incorrect verdict check and returns error if device_create failed, otherwise driver triggers kernel oops.

---
drivers/pps/pps.c | 2 +-

1 files changed, 1 insertions(+), 1 deletions(-)

index ac8cc8c..fea17e7 100644
@@ -244,7 +244,7 @@ int pps_register_cdev(struct pps_device *pps)

	}
	pps->dev = device_create(pps_class, pps->info.dev, pps->devno, NULL,
							"pps%d", pps->id);
-	if (err)
+	if (IS_ERR(pps->dev))
		goto del_cdev;
	dev_set_drvdata(pps->dev, pps);

1.5.5.1