linux-kernel - [PATCH] x86/HPET: fix inverted return value check in arch_setup_hpet

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Message-Id: <5093E00D02000078000A60E2@nat28.tlf.novell.com>
Date:	Fri, 02 Nov 2012 14:00:29 +0000
From:	"Jan Beulich" <JBeulich@...e.com>
To:	<mingo@...e.hu>, <tglx@...utronix.de>, <hpa@...or.com>
Cc:	<linux-kernel@...r.kernel.org>
Subject: [PATCH] x86/HPET: fix inverted return value check in
 arch_setup_hpet_msi()

setup_hpet_msi_remapped() returns a negative error indicator on error
- check for this rather than for a boolean false indication, and pass
on that error code rather than a meaningless "-1".

Signed-off-by: Jan Beulich <jbeulich@...e.com>
Cc: David Woodhouse <dwmw2@...radead.org>

---
 arch/x86/kernel/apic/io_apic.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- 3.7-rc3/arch/x86/kernel/apic/io_apic.c
+++ 3.7-rc3-x86-hpet-masking/arch/x86/kernel/apic/io_apic.c
@@ -3317,8 +3317,9 @@ int arch_setup_hpet_msi(unsigned int irq
 	int ret;
 
 	if (irq_remapping_enabled) {
-		if (!setup_hpet_msi_remapped(irq, id))
-			return -1;
+		ret = setup_hpet_msi_remapped(irq, id);
+		if (ret)
+			return ret;
 	}
 
 	ret = msi_compose_msg(NULL, irq, &msg, id);



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