uwbd_start() calls kthread_run() and checks that the return value is
not NULL. But the return value is not NULL in case kthread_run() fails,
it takes the form of ERR_PTR(-EINTR).

Use IS_ERR() instead.

Signed-off-by: Andrey Konovalov <[email protected]>
---
 drivers/uwb/uwbd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/uwb/uwbd.c b/drivers/uwb/uwbd.c
index 01c20a260a8b..9f615b303576 100644
--- a/drivers/uwb/uwbd.c
+++ b/drivers/uwb/uwbd.c
@@ -303,7 +303,7 @@ static int uwbd(void *param)
 void uwbd_start(struct uwb_rc *rc)
 {
        rc->uwbd.task = kthread_run(uwbd, rc, "uwbd");
-       if (rc->uwbd.task == NULL)
+       if (IS_ERR(rc->uwbd.task))
                printk(KERN_ERR "UWB: Cannot start management daemon; "
                       "UWB won't work\n");
        else
-- 
2.14.1.581.gf28d330327-goog

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