Use IS_ERR_OR_NULL() to detect an error pointer or a null pointer open-coding to simplify the code. Signed-off-by: wangkaiyuan <wangkaiyuan@xxxxxxxxxx> --- drivers/block/aoe/aoecmd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index d7317425be51..94a7aa6cf58a 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -1256,7 +1256,7 @@ aoe_ktstart(struct ktstate *k) init_completion(&k->rendez); task = kthread_run(kthread, k, "%s", k->name); - if (task == NULL || IS_ERR(task)) + if (IS_ERR_OR_NULL(backend)) return -ENOMEM; k->task = task; wait_for_completion(&k->rendez); /* allow kthread to start */ -- 2.31.1