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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 764787ebe8d8..c9730cb3f695 100644
--- 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;
         }