linux-kernel - [PATCH] arch/x86/kernel/microcode_core.c: add missing platform_device

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Date:	Wed, 24 Aug 2011 17:10:52 +0200
From:	Julia Lawall <julia@...u.dk>
To:	Tigran Aivazian <tigran@...azian.fsnet.co.uk>
Cc:	kernel-janitors@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] arch/x86/kernel/microcode_core.c: add missing platform_device_unregister

From: Julia Lawall <julia@...u.dk>

Call platform_device_unregister as in the previous error-handling code.

Signed-off-by: Julia Lawall <julia@...u.dk>

---
This is not tested, but I couldn't see how else platform_device_unregister
could be called.

 arch/x86/kernel/microcode_core.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index f924280..1872a3a 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -532,8 +532,10 @@ static int __init microcode_init(void)
 	}
 
 	error = microcode_dev_init();
-	if (error)
+	if (error) {
+		platform_device_unregister(microcode_pdev);
 		return error;
+	}
 
 	register_syscore_ops(&mc_syscore_ops);
 	register_hotcpu_notifier(&mc_cpu_notifier);

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