[tip:x86/cleanups] x86/platform/pcspeaker: Use PTR_ERR_OR_ZERO() to fix ptr_ret.cocci warning

[tip-bot for YueHaibing <tipbot@zytor.com>]

Commit-ID:  2397134ce2d73dcf1d4846579f594c9f3880b2ec
Gitweb:     https://git.kernel.org/tip/2397134ce2d73dcf1d4846579f594c9f3880b2ec
Author:     YueHaibing <yuehaibing@huawei.com>
AuthorDate: Fri, 20 Jul 2018 15:32:13 +0800
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 24 Jul 2018 09:46:42 +0200

x86/platform/pcspeaker: Use PTR_ERR_OR_ZERO() to fix ptr_ret.cocci warning

The ptr_ret.cocci script generates the following warning:

  arch/x86/kernel/pcspeaker.c:12:8-14: WARNING: PTR_ERR_OR_ZERO can be used

Use PTR_ERR_OR_ZERO() rather than an open-coded version to fix this.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: gregkh@linuxfoundation.org
Cc: kstewart@linuxfoundation.org
Cc: pombredanne@nexb.com
Link: http://lkml.kernel.org/r/20180720073213.14996-1-yuehaibing@huawei.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/kernel/pcspeaker.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/pcspeaker.c b/arch/x86/kernel/pcspeaker.c
index da5190a1ea16..4a710ffffd9a 100644
--- a/arch/x86/kernel/pcspeaker.c
+++ b/arch/x86/kernel/pcspeaker.c
@@ -9,6 +9,6 @@ static __init int add_pcspkr(void)
 
 	pd = platform_device_register_simple("pcspkr", -1, NULL, 0);
 
-	return IS_ERR(pd) ? PTR_ERR(pd) : 0;
+	return PTR_ERR_OR_ZERO(pd);
 }
 device_initcall(add_pcspkr);