kthread_create() returns an ERR_PTR on error, it never returns NULL.
Signed-off-by: Dan Carpenter <[email protected]>
diff --git a/drivers/staging/unisys/uislib/uisthread.c
b/drivers/staging/unisys/uislib/uisthread.c
index ecf4bfcb34a6..782b06aad56d 100644
--- a/drivers/staging/unisys/uislib/uisthread.c
+++ b/drivers/staging/unisys/uislib/uisthread.c
@@ -45,7 +45,7 @@ uisthread_start(struct uisthread_info *thrinfo,
/* 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 */
}
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