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Date:   Thu, 20 Dec 2018 13:14:46 +0800
From:   Peng Hao <peng.hao2@....com.cn>
To:     gregkh@...uxfoundation.org, arnd@...db.de,
        andy.shevchenko@...il.com
Cc:     linux-kernel@...r.kernel.org, Peng Hao <peng.hao2@....com.cn>
Subject: [PATCH RESEND V5 1/3]  misc/pvpanic: return 0 for empty body register function

Return 0 for empty body register function normally.

Signed-off-by: Peng Hao <peng.hao2@....com.cn>
---
v4 --> v5 : resolve kbuild issue: handle all typo "drvier/driver" 
            in funtion name. 

v3 --> v4 : use pcim* function instead of pci* function.
            handle typo "drvier/driver" in funtion name. 

v2 --> v3 : resolve kbuild issue : a uninitialized variable in some path.

v2 --> v1 : resolve kbuild issue : arch=sh don't support pci, adjust
            CONFIG_PCI macro. 

v1 : QEMU community requires additional PCI devices to simulate PVPANIC devices
so that some architectures can not occupy precious less than 4G of memory 
space.

 drivers/misc/pvpanic.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c
index 3150dc2..f84ed30 100644
--- a/drivers/misc/pvpanic.c
+++ b/drivers/misc/pvpanic.c
@@ -125,7 +125,7 @@ static void pvpanic_unregister_acpi_driver(void)
 #else
 static int pvpanic_register_acpi_driver(void)
 {
-	return -ENODEV;
+	return 0;
 }
 
 static void pvpanic_unregister_acpi_driver(void) {}
-- 
1.8.3.1

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