parisc: pdt: Use PTR_ERR_OR_ZERO() to simplify code

Return PTR_ERR_OR_ZERO() instead of return 0 or PTR_ERR() to
simplify code.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/arch/parisc/kernel/pdt.c b/arch/parisc/kernel/pdt.c
index 0d24735bd9182af0e6149b5ef1faa85d705e4ec2..0f9b3b5914cf6994862568f80cc348baed60882a 100644 (file)
--- a/arch/parisc/kernel/pdt.c
+++ b/arch/parisc/kernel/pdt.c
@@ -354,10 +354,8 @@ static int __init pdt_initcall(void)
                return -ENODEV;
 
        kpdtd_task = kthread_run(pdt_mainloop, NULL, "kpdtd");
-       if (IS_ERR(kpdtd_task))
-               return PTR_ERR(kpdtd_task);
 
-       return 0;
+       return PTR_ERR_OR_ZERO(kpdtd_task);
 }
 
 late_initcall(pdt_initcall);