IB/cm: Fix device_create() return value check

Use IS_ERR() instead of comparing to NULL.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 764787e..c9730cb 100644 (file)
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3693,7 +3693,7 @@ static void cm_add_one(struct ib_device *ib_device)
        cm_dev->device = device_create(&cm_class, &ib_device->dev,
                                       MKDEV(0, 0), NULL,
                                       "%s", ib_device->name);
-       if (!cm_dev->device) {
+       if (IS_ERR(cm_dev->device)) {
                kfree(cm_dev);
                return;
        }