staging: unisys/uislib: kthread_create() returns an ERR_PTR
kthread_create() returns an ERR_PTR on error, it never returns NULL.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/unisys/uislib/uisthread.c b/drivers/staging/unisys/uislib/uisthread.c
index ecf4bfc..782b06a 100644
--- a/drivers/staging/unisys/uislib/uisthread.c
+++ b/drivers/staging/unisys/uislib/uisthread.c
@@ -45,7 +45,7 @@
/* used to stop the thread */
init_completion(&thrinfo->has_stopped);
thrinfo->task = kthread_create(threadfn, thrcontext, name, NULL);
- if (thrinfo->task == NULL) {
+ if (IS_ERR(thrinfo->task)) {
thrinfo->id = 0;
return 0; /* failure */
}